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Finding the Fourth Proportional to 531,585.74, 797,839.30 and 279,044.76

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Solution

The fourth proportional to 531,585.74, 797,839.30 and 279,044.76 is: 418,808.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,585.74 : 797,839.30 = 279,044.76 : x
  2. Step 2: Convert to fraction form
    531,585.74/797,839.30 = 279,044.76/x
  3. Step 3: Cross multiply
    531,585.74x = 797,839.30 × 279,044.76
  4. Step 4: Simplify right side
    531,585.74x = 222,632,875,987.07
  5. Step 5: Solve for x
    x = 222,632,875,987.07/531,585.74
  6. Step 6: Final answer
    x = 418,808.97

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1.5x scale

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.