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Finding the Fourth Proportional to 503,979.85, 755,589.66 and 304,252.76

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Solution

The fourth proportional to 503,979.85, 755,589.66 and 304,252.76 is: 456,149.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,979.85 : 755,589.66 = 304,252.76 : x
  2. Step 2: Convert to fraction form
    503,979.85/755,589.66 = 304,252.76/x
  3. Step 3: Cross multiply
    503,979.85x = 755,589.66 × 304,252.76
  4. Step 4: Simplify right side
    503,979.85x = 229,890,239,482.46
  5. Step 5: Solve for x
    x = 229,890,239,482.46/503,979.85
  6. Step 6: Final answer
    x = 456,149.66

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1.5x scale

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.