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Finding the Fourth Proportional to 651,650.60, 977,475.90 and 572,918.60

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Solution

The fourth proportional to 651,650.60, 977,475.90 and 572,918.60 is: 859,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,650.60 : 977,475.90 = 572,918.60 : x
  2. Step 2: Convert to fraction form
    651,650.60/977,475.90 = 572,918.60/x
  3. Step 3: Cross multiply
    651,650.60x = 977,475.90 × 572,918.60
  4. Step 4: Simplify right side
    651,650.60x = 560,014,124,161.74
  5. Step 5: Solve for x
    x = 560,014,124,161.74/651,650.60
  6. Step 6: Final answer
    x = 859,377.90

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Double scale
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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.