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Finding the Fourth Proportional to 579,034.80, 868,703.40 and 224,060.40

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Solution

The fourth proportional to 579,034.80, 868,703.40 and 224,060.40 is: 336,149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,034.80 : 868,703.40 = 224,060.40 : x
  2. Step 2: Convert to fraction form
    579,034.80/868,703.40 = 224,060.40/x
  3. Step 3: Cross multiply
    579,034.80x = 868,703.40 × 224,060.40
  4. Step 4: Simplify right side
    579,034.80x = 194,642,031,285.36
  5. Step 5: Solve for x
    x = 194,642,031,285.36/579,034.80
  6. Step 6: Final answer
    x = 336,149.11

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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.