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Finding the Fourth Proportional to 918,397.92, 1,377,594.96 and 253,548

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Solution

The fourth proportional to 918,397.92, 1,377,594.96 and 253,548 is: 380,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,397.92 : 1,377,594.96 = 253,548 : x
  2. Step 2: Convert to fraction form
    918,397.92/1,377,594.96 = 253,548/x
  3. Step 3: Cross multiply
    918,397.92x = 1,377,594.96 × 253,548
  4. Step 4: Simplify right side
    918,397.92x = 349,286,446,918.08
  5. Step 5: Solve for x
    x = 349,286,446,918.08/918,397.92
  6. Step 6: Final answer
    x = 380,321.47

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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.