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Finding the Fourth Proportional to 544,061.80, 816,092.70 and 411,351.40

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Solution

The fourth proportional to 544,061.80, 816,092.70 and 411,351.40 is: 617,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,061.80 : 816,092.70 = 411,351.40 : x
  2. Step 2: Convert to fraction form
    544,061.80/816,092.70 = 411,351.40/x
  3. Step 3: Cross multiply
    544,061.80x = 816,092.70 × 411,351.40
  4. Step 4: Simplify right side
    544,061.80x = 335,700,874,674.78
  5. Step 5: Solve for x
    x = 335,700,874,674.78/544,061.80
  6. Step 6: Final answer
    x = 617,027.10

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Double scale
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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.