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Finding the Fourth Proportional to 220,548.30, 330,822.45 and 158,340.30

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Solution

The fourth proportional to 220,548.30, 330,822.45 and 158,340.30 is: 237,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,548.30 : 330,822.45 = 158,340.30 : x
  2. Step 2: Convert to fraction form
    220,548.30/330,822.45 = 158,340.30/x
  3. Step 3: Cross multiply
    220,548.30x = 330,822.45 × 158,340.30
  4. Step 4: Simplify right side
    220,548.30x = 52,382,525,979.74
  5. Step 5: Solve for x
    x = 52,382,525,979.74/220,548.30
  6. Step 6: Final answer
    x = 237,510.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.