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Finding the Fourth Proportional to 544,465.80, 816,698.70 and 540,966.60

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Solution

The fourth proportional to 544,465.80, 816,698.70 and 540,966.60 is: 811,449.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,465.80 : 816,698.70 = 540,966.60 : x
  2. Step 2: Convert to fraction form
    544,465.80/816,698.70 = 540,966.60/x
  3. Step 3: Cross multiply
    544,465.80x = 816,698.70 × 540,966.60
  4. Step 4: Simplify right side
    544,465.80x = 441,806,718,963.42
  5. Step 5: Solve for x
    x = 441,806,718,963.42/544,465.80
  6. Step 6: Final answer
    x = 811,449.90

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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.