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Finding the Fourth Proportional to 547,246.80, 819,487.80 and 359,240.40

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Solution

The fourth proportional to 547,246.80, 819,487.80 and 359,240.40 is: 537,953.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,246.80 : 819,487.80 = 359,240.40 : x
  2. Step 2: Convert to fraction form
    547,246.80/819,487.80 = 359,240.40/x
  3. Step 3: Cross multiply
    547,246.80x = 819,487.80 × 359,240.40
  4. Step 4: Simplify right side
    547,246.80x = 294,393,125,067.12
  5. Step 5: Solve for x
    x = 294,393,125,067.12/547,246.80
  6. Step 6: Final answer
    x = 537,953.12

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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.