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Finding the Fourth Proportional to 439,701.30, 659,551.95 and 439,701.30

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Solution

The fourth proportional to 439,701.30, 659,551.95 and 439,701.30 is: 659,551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,701.30 : 659,551.95 = 439,701.30 : x
  2. Step 2: Convert to fraction form
    439,701.30/659,551.95 = 439,701.30/x
  3. Step 3: Cross multiply
    439,701.30x = 659,551.95 × 439,701.30
  4. Step 4: Simplify right side
    439,701.30x = 290,005,849,832.54
  5. Step 5: Solve for x
    x = 290,005,849,832.54/439,701.30
  6. Step 6: Final answer
    x = 659,551.95

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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.