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Finding the Fourth Proportional to 664,433.70, 996,650.55 and 464,979.30

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Solution

The fourth proportional to 664,433.70, 996,650.55 and 464,979.30 is: 697,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,433.70 : 996,650.55 = 464,979.30 : x
  2. Step 2: Convert to fraction form
    664,433.70/996,650.55 = 464,979.30/x
  3. Step 3: Cross multiply
    664,433.70x = 996,650.55 × 464,979.30
  4. Step 4: Simplify right side
    664,433.70x = 463,421,875,083.62
  5. Step 5: Solve for x
    x = 463,421,875,083.62/664,433.70
  6. Step 6: Final answer
    x = 697,468.95

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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.