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Finding the Fourth Proportional to 591,246.40, 886,869.60 and 217,537.60

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Solution

The fourth proportional to 591,246.40, 886,869.60 and 217,537.60 is: 326,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,246.40 : 886,869.60 = 217,537.60 : x
  2. Step 2: Convert to fraction form
    591,246.40/886,869.60 = 217,537.60/x
  3. Step 3: Cross multiply
    591,246.40x = 886,869.60 × 217,537.60
  4. Step 4: Simplify right side
    591,246.40x = 192,927,484,296.96
  5. Step 5: Solve for x
    x = 192,927,484,296.96/591,246.40
  6. Step 6: Final answer
    x = 326,306.40

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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.