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Finding the Fourth Proportional to 353,434.52, 530,037.30 and 116,720.12

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Solution

The fourth proportional to 353,434.52, 530,037.30 and 116,720.12 is: 175,042.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,434.52 : 530,037.30 = 116,720.12 : x
  2. Step 2: Convert to fraction form
    353,434.52/530,037.30 = 116,720.12/x
  3. Step 3: Cross multiply
    353,434.52x = 530,037.30 × 116,720.12
  4. Step 4: Simplify right side
    353,434.52x = 61,866,017,260.48
  5. Step 5: Solve for x
    x = 61,866,017,260.48/353,434.52
  6. Step 6: Final answer
    x = 175,042.37

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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.