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Finding the Fourth Proportional to 347,614.44, 479,460.10 and 319,026.24

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Solution

The fourth proportional to 347,614.44, 479,460.10 and 319,026.24 is: 440,028.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,614.44 : 479,460.10 = 319,026.24 : x
  2. Step 2: Convert to fraction form
    347,614.44/479,460.10 = 319,026.24/x
  3. Step 3: Cross multiply
    347,614.44x = 479,460.10 × 319,026.24
  4. Step 4: Simplify right side
    347,614.44x = 152,960,352,933.02
  5. Step 5: Solve for x
    x = 152,960,352,933.02/347,614.44
  6. Step 6: Final answer
    x = 440,028.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.