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Finding the Fourth Proportional to 319,305.52, 440,705.48 and 183,432.66

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Solution

The fourth proportional to 319,305.52, 440,705.48 and 183,432.66 is: 253,173.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,305.52 : 440,705.48 = 183,432.66 : x
  2. Step 2: Convert to fraction form
    319,305.52/440,705.48 = 183,432.66/x
  3. Step 3: Cross multiply
    319,305.52x = 440,705.48 × 183,432.66
  4. Step 4: Simplify right side
    319,305.52x = 80,839,778,472.98
  5. Step 5: Solve for x
    x = 80,839,778,472.98/319,305.52
  6. Step 6: Final answer
    x = 253,173.76

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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.