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Finding the Fourth Proportional to 417,477.60, 625,710.96 and 192,530.88

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Solution

The fourth proportional to 417,477.60, 625,710.96 and 192,530.88 is: 288,563.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,477.60 : 625,710.96 = 192,530.88 : x
  2. Step 2: Convert to fraction form
    417,477.60/625,710.96 = 192,530.88/x
  3. Step 3: Cross multiply
    417,477.60x = 625,710.96 × 192,530.88
  4. Step 4: Simplify right side
    417,477.60x = 120,468,681,754.45
  5. Step 5: Solve for x
    x = 120,468,681,754.45/417,477.60
  6. Step 6: Final answer
    x = 288,563.22

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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.