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Finding the Fourth Proportional to 844,672.74, 1,165,648.59 and 462,713.10

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Solution

The fourth proportional to 844,672.74, 1,165,648.59 and 462,713.10 is: 638,544.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,672.74 : 1,165,648.59 = 462,713.10 : x
  2. Step 2: Convert to fraction form
    844,672.74/1,165,648.59 = 462,713.10/x
  3. Step 3: Cross multiply
    844,672.74x = 1,165,648.59 × 462,713.10
  4. Step 4: Simplify right side
    844,672.74x = 539,360,872,589.53
  5. Step 5: Solve for x
    x = 539,360,872,589.53/844,672.74
  6. Step 6: Final answer
    x = 638,544.19

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Double scale
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1.5x scale

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.