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Finding the Fourth Proportional to 664,326.80, 996,490.20 and 601,341.20

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Solution

The fourth proportional to 664,326.80, 996,490.20 and 601,341.20 is: 902,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,326.80 : 996,490.20 = 601,341.20 : x
  2. Step 2: Convert to fraction form
    664,326.80/996,490.20 = 601,341.20/x
  3. Step 3: Cross multiply
    664,326.80x = 996,490.20 × 601,341.20
  4. Step 4: Simplify right side
    664,326.80x = 599,230,612,656.24
  5. Step 5: Solve for x
    x = 599,230,612,656.24/664,326.80
  6. Step 6: Final answer
    x = 902,011.80

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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.