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Finding the Fourth Proportional to 417,073.04, 625,513.60 and 248,640.92

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Solution

The fourth proportional to 417,073.04, 625,513.60 and 248,640.92 is: 372,904.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,073.04 : 625,513.60 = 248,640.92 : x
  2. Step 2: Convert to fraction form
    417,073.04/625,513.60 = 248,640.92/x
  3. Step 3: Cross multiply
    417,073.04x = 625,513.60 × 248,640.92
  4. Step 4: Simplify right side
    417,073.04x = 155,528,276,976.51
  5. Step 5: Solve for x
    x = 155,528,276,976.51/417,073.04
  6. Step 6: Final answer
    x = 372,904.17

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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.