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Finding the Fourth Proportional to 238,155.66, 328,587.48 and 153,321.84

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Solution

The fourth proportional to 238,155.66, 328,587.48 and 153,321.84 is: 211,540.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,155.66 : 328,587.48 = 153,321.84 : x
  2. Step 2: Convert to fraction form
    238,155.66/328,587.48 = 153,321.84/x
  3. Step 3: Cross multiply
    238,155.66x = 328,587.48 × 153,321.84
  4. Step 4: Simplify right side
    238,155.66x = 50,379,637,034.56
  5. Step 5: Solve for x
    x = 50,379,637,034.56/238,155.66
  6. Step 6: Final answer
    x = 211,540.79

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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.