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Finding the Fourth Proportional to 507,909.69, 761,196.06 and 283,375.89

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Solution

The fourth proportional to 507,909.69, 761,196.06 and 283,375.89 is: 424,690.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,909.69 : 761,196.06 = 283,375.89 : x
  2. Step 2: Convert to fraction form
    507,909.69/761,196.06 = 283,375.89/x
  3. Step 3: Cross multiply
    507,909.69x = 761,196.06 × 283,375.89
  4. Step 4: Simplify right side
    507,909.69x = 215,704,610,966.99
  5. Step 5: Solve for x
    x = 215,704,610,966.99/507,909.69
  6. Step 6: Final answer
    x = 424,690.88

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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.