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Finding the Fourth Proportional to 238,240.48, 328,769.58 and 130,809.58

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Solution

The fourth proportional to 238,240.48, 328,769.58 and 130,809.58 is: 180,515.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,240.48 : 328,769.58 = 130,809.58 : x
  2. Step 2: Convert to fraction form
    238,240.48/328,769.58 = 130,809.58/x
  3. Step 3: Cross multiply
    238,240.48x = 328,769.58 × 130,809.58
  4. Step 4: Simplify right side
    238,240.48x = 43,006,210,676.58
  5. Step 5: Solve for x
    x = 43,006,210,676.58/238,240.48
  6. Step 6: Final answer
    x = 180,515.97

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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.