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Finding the Fourth Proportional to 426,339.71, 588,359.49 and 242,568.15

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Solution

The fourth proportional to 426,339.71, 588,359.49 and 242,568.15 is: 334,750.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,339.71 : 588,359.49 = 242,568.15 : x
  2. Step 2: Convert to fraction form
    426,339.71/588,359.49 = 242,568.15/x
  3. Step 3: Cross multiply
    426,339.71x = 588,359.49 × 242,568.15
  4. Step 4: Simplify right side
    426,339.71x = 142,717,273,024.24
  5. Step 5: Solve for x
    x = 142,717,273,024.24/426,339.71
  6. Step 6: Final answer
    x = 334,750.13

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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.