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Finding the Fourth Proportional to 305,924.76, 458,368.92 and 187,348.32

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Solution

The fourth proportional to 305,924.76, 458,368.92 and 187,348.32 is: 280,705.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,924.76 : 458,368.92 = 187,348.32 : x
  2. Step 2: Convert to fraction form
    305,924.76/458,368.92 = 187,348.32/x
  3. Step 3: Cross multiply
    305,924.76x = 458,368.92 × 187,348.32
  4. Step 4: Simplify right side
    305,924.76x = 85,874,647,102.21
  5. Step 5: Solve for x
    x = 85,874,647,102.21/305,924.76
  6. Step 6: Final answer
    x = 280,705.12

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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.