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Finding the Fourth Proportional to 544,079.80, 816,119.70 and 540,969.40

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Solution

The fourth proportional to 544,079.80, 816,119.70 and 540,969.40 is: 811,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,079.80 : 816,119.70 = 540,969.40 : x
  2. Step 2: Convert to fraction form
    544,079.80/816,119.70 = 540,969.40/x
  3. Step 3: Cross multiply
    544,079.80x = 816,119.70 × 540,969.40
  4. Step 4: Simplify right side
    544,079.80x = 441,495,784,437.18
  5. Step 5: Solve for x
    x = 441,495,784,437.18/544,079.80
  6. Step 6: Final answer
    x = 811,454.10

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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.