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Finding the Fourth Proportional to 382,210.70, 573,316.05 and 115,958.30

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Solution

The fourth proportional to 382,210.70, 573,316.05 and 115,958.30 is: 173,937.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,210.70 : 573,316.05 = 115,958.30 : x
  2. Step 2: Convert to fraction form
    382,210.70/573,316.05 = 115,958.30/x
  3. Step 3: Cross multiply
    382,210.70x = 573,316.05 × 115,958.30
  4. Step 4: Simplify right side
    382,210.70x = 66,480,754,520.72
  5. Step 5: Solve for x
    x = 66,480,754,520.72/382,210.70
  6. Step 6: Final answer
    x = 173,937.45

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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.