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Finding the Fourth Proportional to 768,626.52, 1,060,624.04 and 446,273.65

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Solution

The fourth proportional to 768,626.52, 1,060,624.04 and 446,273.65 is: 615,810.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,626.52 : 1,060,624.04 = 446,273.65 : x
  2. Step 2: Convert to fraction form
    768,626.52/1,060,624.04 = 446,273.65/x
  3. Step 3: Cross multiply
    768,626.52x = 1,060,624.04 × 446,273.65
  4. Step 4: Simplify right side
    768,626.52x = 473,328,563,213.25
  5. Step 5: Solve for x
    x = 473,328,563,213.25/768,626.52
  6. Step 6: Final answer
    x = 615,810.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.