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Finding the Fourth Proportional to 231,878.60, 348,240.30 and 202,848.20

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Solution

The fourth proportional to 231,878.60, 348,240.30 and 202,848.20 is: 304,641.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,878.60 : 348,240.30 = 202,848.20 : x
  2. Step 2: Convert to fraction form
    231,878.60/348,240.30 = 202,848.20/x
  3. Step 3: Cross multiply
    231,878.60x = 348,240.30 × 202,848.20
  4. Step 4: Simplify right side
    231,878.60x = 70,639,918,022.46
  5. Step 5: Solve for x
    x = 70,639,918,022.46/231,878.60
  6. Step 6: Final answer
    x = 304,641.82

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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.