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Finding the Fourth Proportional to 465,788.90, 698,683.35 and 133,364.90

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Solution

The fourth proportional to 465,788.90, 698,683.35 and 133,364.90 is: 200,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,788.90 : 698,683.35 = 133,364.90 : x
  2. Step 2: Convert to fraction form
    465,788.90/698,683.35 = 133,364.90/x
  3. Step 3: Cross multiply
    465,788.90x = 698,683.35 × 133,364.90
  4. Step 4: Simplify right side
    465,788.90x = 93,179,835,104.42
  5. Step 5: Solve for x
    x = 93,179,835,104.42/465,788.90
  6. Step 6: Final answer
    x = 200,047.35

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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.