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Finding the Fourth Proportional to 458,785.04, 688,184.47 and 159,275.13

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Solution

The fourth proportional to 458,785.04, 688,184.47 and 159,275.13 is: 238,915.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,785.04 : 688,184.47 = 159,275.13 : x
  2. Step 2: Convert to fraction form
    458,785.04/688,184.47 = 159,275.13/x
  3. Step 3: Cross multiply
    458,785.04x = 688,184.47 × 159,275.13
  4. Step 4: Simplify right side
    458,785.04x = 109,610,668,541.63
  5. Step 5: Solve for x
    x = 109,610,668,541.63/458,785.04
  6. Step 6: Final answer
    x = 238,915.09

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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.