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Finding the Fourth Proportional to 1,004,484, 1,386,187.92 and 551,775

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Solution

The fourth proportional to 1,004,484, 1,386,187.92 and 551,775 is: 761,449.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,484 : 1,386,187.92 = 551,775 : x
  2. Step 2: Convert to fraction form
    1,004,484/1,386,187.92 = 551,775/x
  3. Step 3: Cross multiply
    1,004,484x = 1,386,187.92 × 551,775
  4. Step 4: Simplify right side
    1,004,484x = 764,863,839,558
  5. Step 5: Solve for x
    x = 764,863,839,558/1,004,484
  6. Step 6: Final answer
    x = 761,449.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.