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Finding the Fourth Proportional to 441,703.60, 662,555.40 and 411,960.40

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Solution

The fourth proportional to 441,703.60, 662,555.40 and 411,960.40 is: 617,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,703.60 : 662,555.40 = 411,960.40 : x
  2. Step 2: Convert to fraction form
    441,703.60/662,555.40 = 411,960.40/x
  3. Step 3: Cross multiply
    441,703.60x = 662,555.40 × 411,960.40
  4. Step 4: Simplify right side
    441,703.60x = 272,946,587,606.16
  5. Step 5: Solve for x
    x = 272,946,587,606.16/441,703.60
  6. Step 6: Final answer
    x = 617,940.60

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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.