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Finding the Fourth Proportional to 238,424.40, 328,888.79 and 148,844.88

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Solution

The fourth proportional to 238,424.40, 328,888.79 and 148,844.88 is: 205,320.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,424.40 : 328,888.79 = 148,844.88 : x
  2. Step 2: Convert to fraction form
    238,424.40/328,888.79 = 148,844.88/x
  3. Step 3: Cross multiply
    238,424.40x = 328,888.79 × 148,844.88
  4. Step 4: Simplify right side
    238,424.40x = 48,953,412,480.90
  5. Step 5: Solve for x
    x = 48,953,412,480.90/238,424.40
  6. Step 6: Final answer
    x = 205,320.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.