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Finding the Fourth Proportional to 341,727.80, 512,543.10 and 117,098.60

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Solution

The fourth proportional to 341,727.80, 512,543.10 and 117,098.60 is: 175,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,727.80 : 512,543.10 = 117,098.60 : x
  2. Step 2: Convert to fraction form
    341,727.80/512,543.10 = 117,098.60/x
  3. Step 3: Cross multiply
    341,727.80x = 512,543.10 × 117,098.60
  4. Step 4: Simplify right side
    341,727.80x = 60,018,079,449.66
  5. Step 5: Solve for x
    x = 60,018,079,449.66/341,727.80
  6. Step 6: Final answer
    x = 175,631.25

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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.