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Finding the Fourth Proportional to 286,555.32, 429,242.29 and 167,866.83

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Solution

The fourth proportional to 286,555.32, 429,242.29 and 167,866.83 is: 251,454.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,555.32 : 429,242.29 = 167,866.83 : x
  2. Step 2: Convert to fraction form
    286,555.32/429,242.29 = 167,866.83/x
  3. Step 3: Cross multiply
    286,555.32x = 429,242.29 × 167,866.83
  4. Step 4: Simplify right side
    286,555.32x = 72,055,542,104.57
  5. Step 5: Solve for x
    x = 72,055,542,104.57/286,555.32
  6. Step 6: Final answer
    x = 251,454.21

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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.