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Finding the Fourth Proportional to 417,037.52, 625,460.34 and 248,605.40

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Solution

The fourth proportional to 417,037.52, 625,460.34 and 248,605.40 is: 372,850.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,037.52 : 625,460.34 = 248,605.40 : x
  2. Step 2: Convert to fraction form
    417,037.52/625,460.34 = 248,605.40/x
  3. Step 3: Cross multiply
    417,037.52x = 625,460.34 × 248,605.40
  4. Step 4: Simplify right side
    417,037.52x = 155,492,818,009.84
  5. Step 5: Solve for x
    x = 155,492,818,009.84/417,037.52
  6. Step 6: Final answer
    x = 372,850.91

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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.