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Finding the Fourth Proportional to 607,529.20, 910,564.80 and 252,360.40

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Solution

The fourth proportional to 607,529.20, 910,564.80 and 252,360.40 is: 378,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,529.20 : 910,564.80 = 252,360.40 : x
  2. Step 2: Convert to fraction form
    607,529.20/910,564.80 = 252,360.40/x
  3. Step 3: Cross multiply
    607,529.20x = 910,564.80 × 252,360.40
  4. Step 4: Simplify right side
    607,529.20x = 229,790,497,153.92
  5. Step 5: Solve for x
    x = 229,790,497,153.92/607,529.20
  6. Step 6: Final answer
    x = 378,237.78

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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.