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Finding the Fourth Proportional to 544,068.80, 816,103.20 and 540,569.60

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Solution

The fourth proportional to 544,068.80, 816,103.20 and 540,569.60 is: 810,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,068.80 : 816,103.20 = 540,569.60 : x
  2. Step 2: Convert to fraction form
    544,068.80/816,103.20 = 540,569.60/x
  3. Step 3: Cross multiply
    544,068.80x = 816,103.20 × 540,569.60
  4. Step 4: Simplify right side
    544,068.80x = 441,160,580,382.72
  5. Step 5: Solve for x
    x = 441,160,580,382.72/544,068.80
  6. Step 6: Final answer
    x = 810,854.40

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Similar ratio
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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.