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Finding the Fourth Proportional to 334,553.60, 501,441.60 and 134,775.20

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Solution

The fourth proportional to 334,553.60, 501,441.60 and 134,775.20 is: 202,006.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,553.60 : 501,441.60 = 134,775.20 : x
  2. Step 2: Convert to fraction form
    334,553.60/501,441.60 = 134,775.20/x
  3. Step 3: Cross multiply
    334,553.60x = 501,441.60 × 134,775.20
  4. Step 4: Simplify right side
    334,553.60x = 67,581,891,928.32
  5. Step 5: Solve for x
    x = 67,581,891,928.32/334,553.60
  6. Step 6: Final answer
    x = 202,006.17

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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.