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Finding the Fourth Proportional to 924,843.88, 1,387,192.92 and 293,763.16

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Solution

The fourth proportional to 924,843.88, 1,387,192.92 and 293,763.16 is: 440,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,843.88 : 1,387,192.92 = 293,763.16 : x
  2. Step 2: Convert to fraction form
    924,843.88/1,387,192.92 = 293,763.16/x
  3. Step 3: Cross multiply
    924,843.88x = 1,387,192.92 × 293,763.16
  4. Step 4: Simplify right side
    924,843.88x = 407,506,175,708.83
  5. Step 5: Solve for x
    x = 407,506,175,708.83/924,843.88
  6. Step 6: Final answer
    x = 440,621.58

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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.