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Finding the Fourth Proportional to 417,028.02, 625,446.09 and 248,595.90

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Solution

The fourth proportional to 417,028.02, 625,446.09 and 248,595.90 is: 372,836.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,028.02 : 625,446.09 = 248,595.90 : x
  2. Step 2: Convert to fraction form
    417,028.02/625,446.09 = 248,595.90/x
  3. Step 3: Cross multiply
    417,028.02x = 625,446.09 × 248,595.90
  4. Step 4: Simplify right side
    417,028.02x = 155,483,333,645.03
  5. Step 5: Solve for x
    x = 155,483,333,645.03/417,028.02
  6. Step 6: Final answer
    x = 372,836.66

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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.