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Finding the Fourth Proportional to 563,452.80, 847,252.80 and 472,214.40

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Solution

The fourth proportional to 563,452.80, 847,252.80 and 472,214.40 is: 710,059.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,452.80 : 847,252.80 = 472,214.40 : x
  2. Step 2: Convert to fraction form
    563,452.80/847,252.80 = 472,214.40/x
  3. Step 3: Cross multiply
    563,452.80x = 847,252.80 × 472,214.40
  4. Step 4: Simplify right side
    563,452.80x = 400,084,972,600.32
  5. Step 5: Solve for x
    x = 400,084,972,600.32/563,452.80
  6. Step 6: Final answer
    x = 710,059.43

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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.