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Finding the Fourth Proportional to 232,870.60, 349,728.30 and 203,840.20

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Solution

The fourth proportional to 232,870.60, 349,728.30 and 203,840.20 is: 306,130.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,870.60 : 349,728.30 = 203,840.20 : x
  2. Step 2: Convert to fraction form
    232,870.60/349,728.30 = 203,840.20/x
  3. Step 3: Cross multiply
    232,870.60x = 349,728.30 × 203,840.20
  4. Step 4: Simplify right side
    232,870.60x = 71,288,686,617.66
  5. Step 5: Solve for x
    x = 71,288,686,617.66/232,870.60
  6. Step 6: Final answer
    x = 306,130.04

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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.