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Finding the Fourth Proportional to 376,113.28, 564,317.44 and 165,603.52

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Solution

The fourth proportional to 376,113.28, 564,317.44 and 165,603.52 is: 248,470.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,113.28 : 564,317.44 = 165,603.52 : x
  2. Step 2: Convert to fraction form
    376,113.28/564,317.44 = 165,603.52/x
  3. Step 3: Cross multiply
    376,113.28x = 564,317.44 × 165,603.52
  4. Step 4: Simplify right side
    376,113.28x = 93,452,954,461.39
  5. Step 5: Solve for x
    x = 93,452,954,461.39/376,113.28
  6. Step 6: Final answer
    x = 248,470.23

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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.