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Finding the Fourth Proportional to 606,293.10, 908,856.45 and 471,282.30

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Solution

The fourth proportional to 606,293.10, 908,856.45 and 471,282.30 is: 706,470.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,293.10 : 908,856.45 = 471,282.30 : x
  2. Step 2: Convert to fraction form
    606,293.10/908,856.45 = 471,282.30/x
  3. Step 3: Cross multiply
    606,293.10x = 908,856.45 × 471,282.30
  4. Step 4: Simplify right side
    606,293.10x = 428,327,958,125.84
  5. Step 5: Solve for x
    x = 428,327,958,125.84/606,293.10
  6. Step 6: Final answer
    x = 706,470.12

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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.