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Finding the Fourth Proportional to 666,027.60, 999,041.40 and 441,641.40

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Solution

The fourth proportional to 666,027.60, 999,041.40 and 441,641.40 is: 662,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,027.60 : 999,041.40 = 441,641.40 : x
  2. Step 2: Convert to fraction form
    666,027.60/999,041.40 = 441,641.40/x
  3. Step 3: Cross multiply
    666,027.60x = 999,041.40 × 441,641.40
  4. Step 4: Simplify right side
    666,027.60x = 441,218,042,553.96
  5. Step 5: Solve for x
    x = 441,218,042,553.96/666,027.60
  6. Step 6: Final answer
    x = 662,462.10

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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.