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Finding the Fourth Proportional to 435,767.47, 653,688.88 and 120,224.37

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Solution

The fourth proportional to 435,767.47, 653,688.88 and 120,224.37 is: 180,346.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,767.47 : 653,688.88 = 120,224.37 : x
  2. Step 2: Convert to fraction form
    435,767.47/653,688.88 = 120,224.37/x
  3. Step 3: Cross multiply
    435,767.47x = 653,688.88 × 120,224.37
  4. Step 4: Simplify right side
    435,767.47x = 78,589,333,774.01
  5. Step 5: Solve for x
    x = 78,589,333,774.01/435,767.47
  6. Step 6: Final answer
    x = 180,346.95

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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.