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Finding the Fourth Proportional to 441,506.40, 662,259.60 and 411,981.90

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Solution

The fourth proportional to 441,506.40, 662,259.60 and 411,981.90 is: 617,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,506.40 : 662,259.60 = 411,981.90 : x
  2. Step 2: Convert to fraction form
    441,506.40/662,259.60 = 411,981.90/x
  3. Step 3: Cross multiply
    441,506.40x = 662,259.60 × 411,981.90
  4. Step 4: Simplify right side
    441,506.40x = 272,838,968,301.24
  5. Step 5: Solve for x
    x = 272,838,968,301.24/441,506.40
  6. Step 6: Final answer
    x = 617,972.85

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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.