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Finding the Fourth Proportional to 503,146.13, 754,565.57 and 143,346.36

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Solution

The fourth proportional to 503,146.13, 754,565.57 and 143,346.36 is: 214,975.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,146.13 : 754,565.57 = 143,346.36 : x
  2. Step 2: Convert to fraction form
    503,146.13/754,565.57 = 143,346.36/x
  3. Step 3: Cross multiply
    503,146.13x = 754,565.57 × 143,346.36
  4. Step 4: Simplify right side
    503,146.13x = 108,164,227,053.16
  5. Step 5: Solve for x
    x = 108,164,227,053.16/503,146.13
  6. Step 6: Final answer
    x = 214,975.77

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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.