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Finding the Fourth Proportional to 238,365.84, 328,946.24 and 130,932.32

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Solution

The fourth proportional to 238,365.84, 328,946.24 and 130,932.32 is: 180,687.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,365.84 : 328,946.24 = 130,932.32 : x
  2. Step 2: Convert to fraction form
    238,365.84/328,946.24 = 130,932.32/x
  3. Step 3: Cross multiply
    238,365.84x = 328,946.24 × 130,932.32
  4. Step 4: Simplify right side
    238,365.84x = 43,069,694,358.48
  5. Step 5: Solve for x
    x = 43,069,694,358.48/238,365.84
  6. Step 6: Final answer
    x = 180,687.36

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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.