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Finding the Fourth Proportional to 610,423.30, 915,620.55 and 167,191.30

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Solution

The fourth proportional to 610,423.30, 915,620.55 and 167,191.30 is: 250,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,423.30 : 915,620.55 = 167,191.30 : x
  2. Step 2: Convert to fraction form
    610,423.30/915,620.55 = 167,191.30/x
  3. Step 3: Cross multiply
    610,423.30x = 915,620.55 × 167,191.30
  4. Step 4: Simplify right side
    610,423.30x = 153,083,790,061.22
  5. Step 5: Solve for x
    x = 153,083,790,061.22/610,423.30
  6. Step 6: Final answer
    x = 250,783.01

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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.