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Finding the Fourth Proportional to 288,568.02, 432,855.27 and 88,886.82

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Solution

The fourth proportional to 288,568.02, 432,855.27 and 88,886.82 is: 133,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,568.02 : 432,855.27 = 88,886.82 : x
  2. Step 2: Convert to fraction form
    288,568.02/432,855.27 = 88,886.82/x
  3. Step 3: Cross multiply
    288,568.02x = 432,855.27 × 88,886.82
  4. Step 4: Simplify right side
    288,568.02x = 38,475,128,470.54
  5. Step 5: Solve for x
    x = 38,475,128,470.54/288,568.02
  6. Step 6: Final answer
    x = 133,331.23

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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.