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Finding the Fourth Proportional to 662,984.10, 994,476.15 and 411,041.70

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Solution

The fourth proportional to 662,984.10, 994,476.15 and 411,041.70 is: 616,562.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,984.10 : 994,476.15 = 411,041.70 : x
  2. Step 2: Convert to fraction form
    662,984.10/994,476.15 = 411,041.70/x
  3. Step 3: Cross multiply
    662,984.10x = 994,476.15 × 411,041.70
  4. Step 4: Simplify right side
    662,984.10x = 408,771,167,305.46
  5. Step 5: Solve for x
    x = 408,771,167,305.46/662,984.10
  6. Step 6: Final answer
    x = 616,562.55

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Double scale
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Similar ratio
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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.