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Finding the Fourth Proportional to 1,182,497.90, 1,773,746.85 and 804,584.30

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Solution

The fourth proportional to 1,182,497.90, 1,773,746.85 and 804,584.30 is: 1,206,876.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,497.90 : 1,773,746.85 = 804,584.30 : x
  2. Step 2: Convert to fraction form
    1,182,497.90/1,773,746.85 = 804,584.30/x
  3. Step 3: Cross multiply
    1,182,497.90x = 1,773,746.85 × 804,584.30
  4. Step 4: Simplify right side
    1,182,497.90x = 1,427,128,867,684.46
  5. Step 5: Solve for x
    x = 1,427,128,867,684.46/1,182,497.90
  6. Step 6: Final answer
    x = 1,206,876.45

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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.