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Finding the Fourth Proportional to 594,098.20, 891,147.30 and 342,155.80

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Solution

The fourth proportional to 594,098.20, 891,147.30 and 342,155.80 is: 513,233.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,098.20 : 891,147.30 = 342,155.80 : x
  2. Step 2: Convert to fraction form
    594,098.20/891,147.30 = 342,155.80/x
  3. Step 3: Cross multiply
    594,098.20x = 891,147.30 × 342,155.80
  4. Step 4: Simplify right side
    594,098.20x = 304,911,217,349.34
  5. Step 5: Solve for x
    x = 304,911,217,349.34/594,098.20
  6. Step 6: Final answer
    x = 513,233.70

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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.