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Finding the Fourth Proportional to 963,324.80, 1,444,987.20 and 585,411.20

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Solution

The fourth proportional to 963,324.80, 1,444,987.20 and 585,411.20 is: 878,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,324.80 : 1,444,987.20 = 585,411.20 : x
  2. Step 2: Convert to fraction form
    963,324.80/1,444,987.20 = 585,411.20/x
  3. Step 3: Cross multiply
    963,324.80x = 1,444,987.20 × 585,411.20
  4. Step 4: Simplify right side
    963,324.80x = 845,911,690,736.64
  5. Step 5: Solve for x
    x = 845,911,690,736.64/963,324.80
  6. Step 6: Final answer
    x = 878,116.80

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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.