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Finding the Fourth Proportional to 819,701.10, 1,229,551.65 and 594,002.70

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Solution

The fourth proportional to 819,701.10, 1,229,551.65 and 594,002.70 is: 891,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,701.10 : 1,229,551.65 = 594,002.70 : x
  2. Step 2: Convert to fraction form
    819,701.10/1,229,551.65 = 594,002.70/x
  3. Step 3: Cross multiply
    819,701.10x = 1,229,551.65 × 594,002.70
  4. Step 4: Simplify right side
    819,701.10x = 730,356,999,889.46
  5. Step 5: Solve for x
    x = 730,356,999,889.46/819,701.10
  6. Step 6: Final answer
    x = 891,004.05

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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.