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Finding the Fourth Proportional to 230,878.30, 346,317.46 and 207,258.70

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Solution

The fourth proportional to 230,878.30, 346,317.46 and 207,258.70 is: 310,888.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,878.30 : 346,317.46 = 207,258.70 : x
  2. Step 2: Convert to fraction form
    230,878.30/346,317.46 = 207,258.70/x
  3. Step 3: Cross multiply
    230,878.30x = 346,317.46 × 207,258.70
  4. Step 4: Simplify right side
    230,878.30x = 71,777,306,546.90
  5. Step 5: Solve for x
    x = 71,777,306,546.90/230,878.30
  6. Step 6: Final answer
    x = 310,888.06

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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.