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Finding the Fourth Proportional to 329,248.42, 454,353.52 and 193,280.20

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Solution

The fourth proportional to 329,248.42, 454,353.52 and 193,280.20 is: 266,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,248.42 : 454,353.52 = 193,280.20 : x
  2. Step 2: Convert to fraction form
    329,248.42/454,353.52 = 193,280.20/x
  3. Step 3: Cross multiply
    329,248.42x = 454,353.52 × 193,280.20
  4. Step 4: Simplify right side
    329,248.42x = 87,817,539,216.30
  5. Step 5: Solve for x
    x = 87,817,539,216.30/329,248.42
  6. Step 6: Final answer
    x = 266,721.22

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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.