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Finding the Fourth Proportional to 230,397.41, 345,643.15 and 130,602.17

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Solution

The fourth proportional to 230,397.41, 345,643.15 and 130,602.17 is: 195,929.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,397.41 : 345,643.15 = 130,602.17 : x
  2. Step 2: Convert to fraction form
    230,397.41/345,643.15 = 130,602.17/x
  3. Step 3: Cross multiply
    230,397.41x = 345,643.15 × 130,602.17
  4. Step 4: Simplify right side
    230,397.41x = 45,141,743,380.91
  5. Step 5: Solve for x
    x = 45,141,743,380.91/230,397.41
  6. Step 6: Final answer
    x = 195,929.91

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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.