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Finding the Fourth Proportional to 664,315.40, 996,473.10 and 460,596.35

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Solution

The fourth proportional to 664,315.40, 996,473.10 and 460,596.35 is: 690,894.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,315.40 : 996,473.10 = 460,596.35 : x
  2. Step 2: Convert to fraction form
    664,315.40/996,473.10 = 460,596.35/x
  3. Step 3: Cross multiply
    664,315.40x = 996,473.10 × 460,596.35
  4. Step 4: Simplify right side
    664,315.40x = 458,971,872,733.19
  5. Step 5: Solve for x
    x = 458,971,872,733.19/664,315.40
  6. Step 6: Final answer
    x = 690,894.53

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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.