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Finding the Fourth Proportional to 311,034.09, 466,551.15 and 153,570.09

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Solution

The fourth proportional to 311,034.09, 466,551.15 and 153,570.09 is: 230,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,034.09 : 466,551.15 = 153,570.09 : x
  2. Step 2: Convert to fraction form
    311,034.09/466,551.15 = 153,570.09/x
  3. Step 3: Cross multiply
    311,034.09x = 466,551.15 × 153,570.09
  4. Step 4: Simplify right side
    311,034.09x = 71,648,302,095.10
  5. Step 5: Solve for x
    x = 71,648,302,095.10/311,034.09
  6. Step 6: Final answer
    x = 230,355.14

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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.