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Finding the Fourth Proportional to 319,571.84, 441,005.60 and 176,337.92

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Solution

The fourth proportional to 319,571.84, 441,005.60 and 176,337.92 is: 243,344.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,571.84 : 441,005.60 = 176,337.92 : x
  2. Step 2: Convert to fraction form
    319,571.84/441,005.60 = 176,337.92/x
  3. Step 3: Cross multiply
    319,571.84x = 441,005.60 × 176,337.92
  4. Step 4: Simplify right side
    319,571.84x = 77,766,010,212.35
  5. Step 5: Solve for x
    x = 77,766,010,212.35/319,571.84
  6. Step 6: Final answer
    x = 243,344.38

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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.