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Finding the Fourth Proportional to 288,084.52, 432,686.94 and 234,815.57

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Solution

The fourth proportional to 288,084.52, 432,686.94 and 234,815.57 is: 352,679.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,084.52 : 432,686.94 = 234,815.57 : x
  2. Step 2: Convert to fraction form
    288,084.52/432,686.94 = 234,815.57/x
  3. Step 3: Cross multiply
    288,084.52x = 432,686.94 × 234,815.57
  4. Step 4: Simplify right side
    288,084.52x = 101,601,630,447.66
  5. Step 5: Solve for x
    x = 101,601,630,447.66/288,084.52
  6. Step 6: Final answer
    x = 352,679.94

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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.