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Finding the Fourth Proportional to 286,517.04, 429,775.52 and 89,525.04

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Solution

The fourth proportional to 286,517.04, 429,775.52 and 89,525.04 is: 134,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,517.04 : 429,775.52 = 89,525.04 : x
  2. Step 2: Convert to fraction form
    286,517.04/429,775.52 = 89,525.04/x
  3. Step 3: Cross multiply
    286,517.04x = 429,775.52 × 89,525.04
  4. Step 4: Simplify right side
    286,517.04x = 38,475,670,619.02
  5. Step 5: Solve for x
    x = 38,475,670,619.02/286,517.04
  6. Step 6: Final answer
    x = 134,287.55

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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.