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Finding the Fourth Proportional to 496,882.49, 745,308.54 and 141,897.15

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Solution

The fourth proportional to 496,882.49, 745,308.54 and 141,897.15 is: 212,841.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,882.49 : 745,308.54 = 141,897.15 : x
  2. Step 2: Convert to fraction form
    496,882.49/745,308.54 = 141,897.15/x
  3. Step 3: Cross multiply
    496,882.49x = 745,308.54 × 141,897.15
  4. Step 4: Simplify right side
    496,882.49x = 105,757,157,696.66
  5. Step 5: Solve for x
    x = 105,757,157,696.66/496,882.49
  6. Step 6: Final answer
    x = 212,841.39

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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.