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Finding the Fourth Proportional to 664,376.70, 996,565.05 and 464,922.30

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Solution

The fourth proportional to 664,376.70, 996,565.05 and 464,922.30 is: 697,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,376.70 : 996,565.05 = 464,922.30 : x
  2. Step 2: Convert to fraction form
    664,376.70/996,565.05 = 464,922.30/x
  3. Step 3: Cross multiply
    664,376.70x = 996,565.05 × 464,922.30
  4. Step 4: Simplify right side
    664,376.70x = 463,325,315,145.62
  5. Step 5: Solve for x
    x = 463,325,315,145.62/664,376.70
  6. Step 6: Final answer
    x = 697,383.45

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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.