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Finding the Fourth Proportional to 354,031.20, 530,850 and 117,244.74

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Solution

The fourth proportional to 354,031.20, 530,850 and 117,244.74 is: 175,801.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,031.20 : 530,850 = 117,244.74 : x
  2. Step 2: Convert to fraction form
    354,031.20/530,850 = 117,244.74/x
  3. Step 3: Cross multiply
    354,031.20x = 530,850 × 117,244.74
  4. Step 4: Simplify right side
    354,031.20x = 62,239,370,229
  5. Step 5: Solve for x
    x = 62,239,370,229/354,031.20
  6. Step 6: Final answer
    x = 175,801.94

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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.