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Finding the Fourth Proportional to 411,567.70, 617,351.55 and 366,952.90

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Solution

The fourth proportional to 411,567.70, 617,351.55 and 366,952.90 is: 550,429.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,567.70 : 617,351.55 = 366,952.90 : x
  2. Step 2: Convert to fraction form
    411,567.70/617,351.55 = 366,952.90/x
  3. Step 3: Cross multiply
    411,567.70x = 617,351.55 × 366,952.90
  4. Step 4: Simplify right side
    411,567.70x = 226,538,941,592.00
  5. Step 5: Solve for x
    x = 226,538,941,592.00/411,567.70
  6. Step 6: Final answer
    x = 550,429.35

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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.