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Finding the Fourth Proportional to 238,390.77, 328,833.34 and 141,528.88

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Solution

The fourth proportional to 238,390.77, 328,833.34 and 141,528.88 is: 195,223.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,390.77 : 328,833.34 = 141,528.88 : x
  2. Step 2: Convert to fraction form
    238,390.77/328,833.34 = 141,528.88/x
  3. Step 3: Cross multiply
    238,390.77x = 328,833.34 × 141,528.88
  4. Step 4: Simplify right side
    238,390.77x = 46,539,413,963.04
  5. Step 5: Solve for x
    x = 46,539,413,963.04/238,390.77
  6. Step 6: Final answer
    x = 195,223.22

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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.