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Finding the Fourth Proportional to 535,160.59, 738,521.15 and 293,447.18

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Solution

The fourth proportional to 535,160.59, 738,521.15 and 293,447.18 is: 404,956.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,160.59 : 738,521.15 = 293,447.18 : x
  2. Step 2: Convert to fraction form
    535,160.59/738,521.15 = 293,447.18/x
  3. Step 3: Cross multiply
    535,160.59x = 738,521.15 × 293,447.18
  4. Step 4: Simplify right side
    535,160.59x = 216,716,949,216.92
  5. Step 5: Solve for x
    x = 216,716,949,216.92/535,160.59
  6. Step 6: Final answer
    x = 404,956.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.