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Finding the Fourth Proportional to 924,000.20, 1,290,451 and 924,000.20

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Solution

The fourth proportional to 924,000.20, 1,290,451 and 924,000.20 is: 1,290,451

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,000.20 : 1,290,451 = 924,000.20 : x
  2. Step 2: Convert to fraction form
    924,000.20/1,290,451 = 924,000.20/x
  3. Step 3: Cross multiply
    924,000.20x = 1,290,451 × 924,000.20
  4. Step 4: Simplify right side
    924,000.20x = 1,192,376,982,090.20
  5. Step 5: Solve for x
    x = 1,192,376,982,090.20/924,000.20
  6. Step 6: Final answer
    x = 1,290,451

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.