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Finding the Fourth Proportional to 370,248.76, 555,258.16 and 133,560.64

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Solution

The fourth proportional to 370,248.76, 555,258.16 and 133,560.64 is: 200,299.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,248.76 : 555,258.16 = 133,560.64 : x
  2. Step 2: Convert to fraction form
    370,248.76/555,258.16 = 133,560.64/x
  3. Step 3: Cross multiply
    370,248.76x = 555,258.16 × 133,560.64
  4. Step 4: Simplify right side
    370,248.76x = 74,160,635,214.82
  5. Step 5: Solve for x
    x = 74,160,635,214.82/370,248.76
  6. Step 6: Final answer
    x = 200,299.48

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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.