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Finding the Fourth Proportional to 503,185.52, 754,785.96 and 129,200.24

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Solution

The fourth proportional to 503,185.52, 754,785.96 and 129,200.24 is: 193,802.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,185.52 : 754,785.96 = 129,200.24 : x
  2. Step 2: Convert to fraction form
    503,185.52/754,785.96 = 129,200.24/x
  3. Step 3: Cross multiply
    503,185.52x = 754,785.96 × 129,200.24
  4. Step 4: Simplify right side
    503,185.52x = 97,518,527,180.63
  5. Step 5: Solve for x
    x = 97,518,527,180.63/503,185.52
  6. Step 6: Final answer
    x = 193,802.33

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1.5x scale

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.