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Finding the Fourth Proportional to 514,422.44, 710,149.11 and 342,626.30

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Solution

The fourth proportional to 514,422.44, 710,149.11 and 342,626.30 is: 472,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,422.44 : 710,149.11 = 342,626.30 : x
  2. Step 2: Convert to fraction form
    514,422.44/710,149.11 = 342,626.30/x
  3. Step 3: Cross multiply
    514,422.44x = 710,149.11 × 342,626.30
  4. Step 4: Simplify right side
    514,422.44x = 243,315,762,007.59
  5. Step 5: Solve for x
    x = 243,315,762,007.59/514,422.44
  6. Step 6: Final answer
    x = 472,988.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.