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Finding the Fourth Proportional to 442,585.64, 610,765.40 and 251,599.08

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Solution

The fourth proportional to 442,585.64, 610,765.40 and 251,599.08 is: 347,205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,585.64 : 610,765.40 = 251,599.08 : x
  2. Step 2: Convert to fraction form
    442,585.64/610,765.40 = 251,599.08/x
  3. Step 3: Cross multiply
    442,585.64x = 610,765.40 × 251,599.08
  4. Step 4: Simplify right side
    442,585.64x = 153,668,012,735.83
  5. Step 5: Solve for x
    x = 153,668,012,735.83/442,585.64
  6. Step 6: Final answer
    x = 347,205.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.