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Finding the Fourth Proportional to 359,748.92, 496,495.50 and 299,212.76

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Solution

The fourth proportional to 359,748.92, 496,495.50 and 299,212.76 is: 412,948.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,748.92 : 496,495.50 = 299,212.76 : x
  2. Step 2: Convert to fraction form
    359,748.92/496,495.50 = 299,212.76/x
  3. Step 3: Cross multiply
    359,748.92x = 496,495.50 × 299,212.76
  4. Step 4: Simplify right side
    359,748.92x = 148,557,788,882.58
  5. Step 5: Solve for x
    x = 148,557,788,882.58/359,748.92
  6. Step 6: Final answer
    x = 412,948.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.