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Finding the Fourth Proportional to 608,614.08, 912,920.40 and 234,374.64

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Solution

The fourth proportional to 608,614.08, 912,920.40 and 234,374.64 is: 351,561.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,614.08 : 912,920.40 = 234,374.64 : x
  2. Step 2: Convert to fraction form
    608,614.08/912,920.40 = 234,374.64/x
  3. Step 3: Cross multiply
    608,614.08x = 912,920.40 × 234,374.64
  4. Step 4: Simplify right side
    608,614.08x = 213,965,390,098.66
  5. Step 5: Solve for x
    x = 213,965,390,098.66/608,614.08
  6. Step 6: Final answer
    x = 351,561.68

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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.