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Finding the Fourth Proportional to 442,046.32, 663,068.88 and 205,259.52

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Solution

The fourth proportional to 442,046.32, 663,068.88 and 205,259.52 is: 307,889.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,046.32 : 663,068.88 = 205,259.52 : x
  2. Step 2: Convert to fraction form
    442,046.32/663,068.88 = 205,259.52/x
  3. Step 3: Cross multiply
    442,046.32x = 663,068.88 × 205,259.52
  4. Step 4: Simplify right side
    442,046.32x = 136,101,200,035.74
  5. Step 5: Solve for x
    x = 136,101,200,035.74/442,046.32
  6. Step 6: Final answer
    x = 307,889.00

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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.