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Finding the Fourth Proportional to 238,483.65, 328,940.82 and 202,424.88

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Solution

The fourth proportional to 238,483.65, 328,940.82 and 202,424.88 is: 279,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,483.65 : 328,940.82 = 202,424.88 : x
  2. Step 2: Convert to fraction form
    238,483.65/328,940.82 = 202,424.88/x
  3. Step 3: Cross multiply
    238,483.65x = 328,940.82 × 202,424.88
  4. Step 4: Simplify right side
    238,483.65x = 66,585,806,015.60
  5. Step 5: Solve for x
    x = 66,585,806,015.60/238,483.65
  6. Step 6: Final answer
    x = 279,204.91

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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.