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Finding the Fourth Proportional to 730,565.12, 1,095,957.03 and 257,167.10

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Solution

The fourth proportional to 730,565.12, 1,095,957.03 and 257,167.10 is: 385,789.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,565.12 : 1,095,957.03 = 257,167.10 : x
  2. Step 2: Convert to fraction form
    730,565.12/1,095,957.03 = 257,167.10/x
  3. Step 3: Cross multiply
    730,565.12x = 1,095,957.03 × 257,167.10
  4. Step 4: Simplify right side
    730,565.12x = 281,844,094,833.98
  5. Step 5: Solve for x
    x = 281,844,094,833.98/730,565.12
  6. Step 6: Final answer
    x = 385,789.15

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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.