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Finding the Fourth Proportional to 651,481.80, 977,222.70 and 558,169.80

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Solution

The fourth proportional to 651,481.80, 977,222.70 and 558,169.80 is: 837,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,481.80 : 977,222.70 = 558,169.80 : x
  2. Step 2: Convert to fraction form
    651,481.80/977,222.70 = 558,169.80/x
  3. Step 3: Cross multiply
    651,481.80x = 977,222.70 × 558,169.80
  4. Step 4: Simplify right side
    651,481.80x = 545,456,199,014.46
  5. Step 5: Solve for x
    x = 545,456,199,014.46/651,481.80
  6. Step 6: Final answer
    x = 837,254.70

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.