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Finding the Fourth Proportional to 544,077.80, 816,116.70 and 411,367.40

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Solution

The fourth proportional to 544,077.80, 816,116.70 and 411,367.40 is: 617,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,077.80 : 816,116.70 = 411,367.40 : x
  2. Step 2: Convert to fraction form
    544,077.80/816,116.70 = 411,367.40/x
  3. Step 3: Cross multiply
    544,077.80x = 816,116.70 × 411,367.40
  4. Step 4: Simplify right side
    544,077.80x = 335,723,804,975.58
  5. Step 5: Solve for x
    x = 335,723,804,975.58/544,077.80
  6. Step 6: Final answer
    x = 617,051.10

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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.