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Finding the Fourth Proportional to 676,996.75, 934,255.52 and 375,210.19

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Solution

The fourth proportional to 676,996.75, 934,255.52 and 375,210.19 is: 517,790.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,996.75 : 934,255.52 = 375,210.19 : x
  2. Step 2: Convert to fraction form
    676,996.75/934,255.52 = 375,210.19/x
  3. Step 3: Cross multiply
    676,996.75x = 934,255.52 × 375,210.19
  4. Step 4: Simplify right side
    676,996.75x = 350,542,189,291.70
  5. Step 5: Solve for x
    x = 350,542,189,291.70/676,996.75
  6. Step 6: Final answer
    x = 517,790.06

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.