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Finding the Fourth Proportional to 656,605.80, 984,908.70 and 544,631.40

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Solution

The fourth proportional to 656,605.80, 984,908.70 and 544,631.40 is: 816,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,605.80 : 984,908.70 = 544,631.40 : x
  2. Step 2: Convert to fraction form
    656,605.80/984,908.70 = 544,631.40/x
  3. Step 3: Cross multiply
    656,605.80x = 984,908.70 × 544,631.40
  4. Step 4: Simplify right side
    656,605.80x = 536,412,204,153.18
  5. Step 5: Solve for x
    x = 536,412,204,153.18/656,605.80
  6. Step 6: Final answer
    x = 816,947.10

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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.