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Finding the Fourth Proportional to 503,066.27, 754,581.98 and 143,239.39

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Solution

The fourth proportional to 503,066.27, 754,581.98 and 143,239.39 is: 214,854.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,066.27 : 754,581.98 = 143,239.39 : x
  2. Step 2: Convert to fraction form
    503,066.27/754,581.98 = 143,239.39/x
  3. Step 3: Cross multiply
    503,066.27x = 754,581.98 × 143,239.39
  4. Step 4: Simplify right side
    503,066.27x = 108,085,860,186.11
  5. Step 5: Solve for x
    x = 108,085,860,186.11/503,066.27
  6. Step 6: Final answer
    x = 214,854.12

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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.