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Finding the Fourth Proportional to 999,539.78, 1,499,284.76 and 467,655.91

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Solution

The fourth proportional to 999,539.78, 1,499,284.76 and 467,655.91 is: 701,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,539.78 : 1,499,284.76 = 467,655.91 : x
  2. Step 2: Convert to fraction form
    999,539.78/1,499,284.76 = 467,655.91/x
  3. Step 3: Cross multiply
    999,539.78x = 1,499,284.76 × 467,655.91
  4. Step 4: Simplify right side
    999,539.78x = 701,149,381,133.92
  5. Step 5: Solve for x
    x = 701,149,381,133.92/999,539.78
  6. Step 6: Final answer
    x = 701,472.21

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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.