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Finding the Fourth Proportional to 584,508.68, 875,987.92 and 300,187.76

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Solution

The fourth proportional to 584,508.68, 875,987.92 and 300,187.76 is: 449,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,508.68 : 875,987.92 = 300,187.76 : x
  2. Step 2: Convert to fraction form
    584,508.68/875,987.92 = 300,187.76/x
  3. Step 3: Cross multiply
    584,508.68x = 875,987.92 × 300,187.76
  4. Step 4: Simplify right side
    584,508.68x = 262,960,851,491.86
  5. Step 5: Solve for x
    x = 262,960,851,491.86/584,508.68
  6. Step 6: Final answer
    x = 449,883.57

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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.