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Finding the Fourth Proportional to 370,028.45, 555,264.11 and 159,666.38

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Solution

The fourth proportional to 370,028.45, 555,264.11 and 159,666.38 is: 239,595.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,028.45 : 555,264.11 = 159,666.38 : x
  2. Step 2: Convert to fraction form
    370,028.45/555,264.11 = 159,666.38/x
  3. Step 3: Cross multiply
    370,028.45x = 555,264.11 × 159,666.38
  4. Step 4: Simplify right side
    370,028.45x = 88,657,006,812.97
  5. Step 5: Solve for x
    x = 88,657,006,812.97/370,028.45
  6. Step 6: Final answer
    x = 239,595.11

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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.