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Finding the Fourth Proportional to 441,037.56, 660,721.62 and 260,583.32

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Solution

The fourth proportional to 441,037.56, 660,721.62 and 260,583.32 is: 390,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,037.56 : 660,721.62 = 260,583.32 : x
  2. Step 2: Convert to fraction form
    441,037.56/660,721.62 = 260,583.32/x
  3. Step 3: Cross multiply
    441,037.56x = 660,721.62 × 260,583.32
  4. Step 4: Simplify right side
    441,037.56x = 172,173,033,335.38
  5. Step 5: Solve for x
    x = 172,173,033,335.38/441,037.56
  6. Step 6: Final answer
    x = 390,381.79

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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.