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Finding the Fourth Proportional to 484,708, 727,208.88 and 248,218.24

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Solution

The fourth proportional to 484,708, 727,208.88 and 248,218.24 is: 372,402.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,708 : 727,208.88 = 248,218.24 : x
  2. Step 2: Convert to fraction form
    484,708/727,208.88 = 248,218.24/x
  3. Step 3: Cross multiply
    484,708x = 727,208.88 × 248,218.24
  4. Step 4: Simplify right side
    484,708x = 180,506,508,305.97
  5. Step 5: Solve for x
    x = 180,506,508,305.97/484,708
  6. Step 6: Final answer
    x = 372,402.58

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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.