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Finding the Fourth Proportional to 608,509.68, 912,375.72 and 292,337.52

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Solution

The fourth proportional to 608,509.68, 912,375.72 and 292,337.52 is: 438,319.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,509.68 : 912,375.72 = 292,337.52 : x
  2. Step 2: Convert to fraction form
    608,509.68/912,375.72 = 292,337.52/x
  3. Step 3: Cross multiply
    608,509.68x = 912,375.72 × 292,337.52
  4. Step 4: Simplify right side
    608,509.68x = 266,721,655,293.01
  5. Step 5: Solve for x
    x = 266,721,655,293.01/608,509.68
  6. Step 6: Final answer
    x = 438,319.49

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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.