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Finding the Fourth Proportional to 238,415.59, 328,867.56 and 141,553.71

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Solution

The fourth proportional to 238,415.59, 328,867.56 and 141,553.71 is: 195,257.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,415.59 : 328,867.56 = 141,553.71 : x
  2. Step 2: Convert to fraction form
    238,415.59/328,867.56 = 141,553.71/x
  3. Step 3: Cross multiply
    238,415.59x = 328,867.56 × 141,553.71
  4. Step 4: Simplify right side
    238,415.59x = 46,552,423,216.65
  5. Step 5: Solve for x
    x = 46,552,423,216.65/238,415.59
  6. Step 6: Final answer
    x = 195,257.46

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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.