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Finding the Fourth Proportional to 466,975.20, 700,462.80 and 425,640.90

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Solution

The fourth proportional to 466,975.20, 700,462.80 and 425,640.90 is: 638,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,975.20 : 700,462.80 = 425,640.90 : x
  2. Step 2: Convert to fraction form
    466,975.20/700,462.80 = 425,640.90/x
  3. Step 3: Cross multiply
    466,975.20x = 700,462.80 × 425,640.90
  4. Step 4: Simplify right side
    466,975.20x = 298,145,616,608.52
  5. Step 5: Solve for x
    x = 298,145,616,608.52/466,975.20
  6. Step 6: Final answer
    x = 638,461.35

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Similar ratio
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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.