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Finding the Fourth Proportional to 548,581.60, 822,872.40 and 540,708.40

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Solution

The fourth proportional to 548,581.60, 822,872.40 and 540,708.40 is: 811,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,581.60 : 822,872.40 = 540,708.40 : x
  2. Step 2: Convert to fraction form
    548,581.60/822,872.40 = 540,708.40/x
  3. Step 3: Cross multiply
    548,581.60x = 822,872.40 × 540,708.40
  4. Step 4: Simplify right side
    548,581.60x = 444,934,018,808.16
  5. Step 5: Solve for x
    x = 444,934,018,808.16/548,581.60
  6. Step 6: Final answer
    x = 811,062.60

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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.