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Finding the Fourth Proportional to 282,254.80, 423,521.16 and 132,506.32

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Solution

The fourth proportional to 282,254.80, 423,521.16 and 132,506.32 is: 198,824.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,254.80 : 423,521.16 = 132,506.32 : x
  2. Step 2: Convert to fraction form
    282,254.80/423,521.16 = 132,506.32/x
  3. Step 3: Cross multiply
    282,254.80x = 423,521.16 × 132,506.32
  4. Step 4: Simplify right side
    282,254.80x = 56,119,230,353.73
  5. Step 5: Solve for x
    x = 56,119,230,353.73/282,254.80
  6. Step 6: Final answer
    x = 198,824.72

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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.