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Finding the Fourth Proportional to 437,872.80, 656,290.80 and 185,152.80

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Solution

The fourth proportional to 437,872.80, 656,290.80 and 185,152.80 is: 277,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,872.80 : 656,290.80 = 185,152.80 : x
  2. Step 2: Convert to fraction form
    437,872.80/656,290.80 = 185,152.80/x
  3. Step 3: Cross multiply
    437,872.80x = 656,290.80 × 185,152.80
  4. Step 4: Simplify right side
    437,872.80x = 121,514,079,234.24
  5. Step 5: Solve for x
    x = 121,514,079,234.24/437,872.80
  6. Step 6: Final answer
    x = 277,510.00

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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.