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Finding the Fourth Proportional to 514,404.52, 710,064.57 and 418,745.14

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Solution

The fourth proportional to 514,404.52, 710,064.57 and 418,745.14 is: 578,019.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,404.52 : 710,064.57 = 418,745.14 : x
  2. Step 2: Convert to fraction form
    514,404.52/710,064.57 = 418,745.14/x
  3. Step 3: Cross multiply
    514,404.52x = 710,064.57 × 418,745.14
  4. Step 4: Simplify right side
    514,404.52x = 297,336,087,773.69
  5. Step 5: Solve for x
    x = 297,336,087,773.69/514,404.52
  6. Step 6: Final answer
    x = 578,019.97

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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.