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Finding the Fourth Proportional to 542,904.32, 814,356.48 and 294,072.32

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Solution

The fourth proportional to 542,904.32, 814,356.48 and 294,072.32 is: 441,108.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,904.32 : 814,356.48 = 294,072.32 : x
  2. Step 2: Convert to fraction form
    542,904.32/814,356.48 = 294,072.32/x
  3. Step 3: Cross multiply
    542,904.32x = 814,356.48 × 294,072.32
  4. Step 4: Simplify right side
    542,904.32x = 239,479,699,380.63
  5. Step 5: Solve for x
    x = 239,479,699,380.63/542,904.32
  6. Step 6: Final answer
    x = 441,108.48

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Double scale
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Similar ratio
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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.