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Finding the Fourth Proportional to 532,077.90, 798,116.85 and 488,532.30

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Solution

The fourth proportional to 532,077.90, 798,116.85 and 488,532.30 is: 732,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,077.90 : 798,116.85 = 488,532.30 : x
  2. Step 2: Convert to fraction form
    532,077.90/798,116.85 = 488,532.30/x
  3. Step 3: Cross multiply
    532,077.90x = 798,116.85 × 488,532.30
  4. Step 4: Simplify right side
    532,077.90x = 389,905,860,399.26
  5. Step 5: Solve for x
    x = 389,905,860,399.26/532,077.90
  6. Step 6: Final answer
    x = 732,798.45

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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.