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Finding the Fourth Proportional to 924,280, 1,386,420 and 333,304

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Solution

The fourth proportional to 924,280, 1,386,420 and 333,304 is: 499,956

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,280 : 1,386,420 = 333,304 : x
  2. Step 2: Convert to fraction form
    924,280/1,386,420 = 333,304/x
  3. Step 3: Cross multiply
    924,280x = 1,386,420 × 333,304
  4. Step 4: Simplify right side
    924,280x = 462,099,331,680
  5. Step 5: Solve for x
    x = 462,099,331,680/924,280
  6. Step 6: Final answer
    x = 499,956

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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.