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Finding the Fourth Proportional to 456,058.04, 684,234.72 and 219,369.92

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Solution

The fourth proportional to 456,058.04, 684,234.72 and 219,369.92 is: 329,125.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,058.04 : 684,234.72 = 219,369.92 : x
  2. Step 2: Convert to fraction form
    456,058.04/684,234.72 = 219,369.92/x
  3. Step 3: Cross multiply
    456,058.04x = 684,234.72 × 219,369.92
  4. Step 4: Simplify right side
    456,058.04x = 150,100,515,787.62
  5. Step 5: Solve for x
    x = 150,100,515,787.62/456,058.04
  6. Step 6: Final answer
    x = 329,125.91

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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.