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Finding the Fourth Proportional to 370,252.76, 555,264.16 and 133,564.64

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Solution

The fourth proportional to 370,252.76, 555,264.16 and 133,564.64 is: 200,305.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,252.76 : 555,264.16 = 133,564.64 : x
  2. Step 2: Convert to fraction form
    370,252.76/555,264.16 = 133,564.64/x
  3. Step 3: Cross multiply
    370,252.76x = 555,264.16 × 133,564.64
  4. Step 4: Simplify right side
    370,252.76x = 74,163,657,635.30
  5. Step 5: Solve for x
    x = 74,163,657,635.30/370,252.76
  6. Step 6: Final answer
    x = 200,305.48

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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.