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Finding the Fourth Proportional to 598,235.80, 897,353.70 and 558,578.20

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Solution

The fourth proportional to 598,235.80, 897,353.70 and 558,578.20 is: 837,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,235.80 : 897,353.70 = 558,578.20 : x
  2. Step 2: Convert to fraction form
    598,235.80/897,353.70 = 558,578.20/x
  3. Step 3: Cross multiply
    598,235.80x = 897,353.70 × 558,578.20
  4. Step 4: Simplify right side
    598,235.80x = 501,242,214,509.34
  5. Step 5: Solve for x
    x = 501,242,214,509.34/598,235.80
  6. Step 6: Final answer
    x = 837,867.30

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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.