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Finding the Fourth Proportional to 608,117.20, 912,175.80 and 164,885.20

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Solution

The fourth proportional to 608,117.20, 912,175.80 and 164,885.20 is: 247,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,117.20 : 912,175.80 = 164,885.20 : x
  2. Step 2: Convert to fraction form
    608,117.20/912,175.80 = 164,885.20/x
  3. Step 3: Cross multiply
    608,117.20x = 912,175.80 × 164,885.20
  4. Step 4: Simplify right side
    608,117.20x = 150,404,289,218.16
  5. Step 5: Solve for x
    x = 150,404,289,218.16/608,117.20
  6. Step 6: Final answer
    x = 247,327.80

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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.