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Finding the Fourth Proportional to 319,584.96, 441,019.44 and 176,344.92

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Solution

The fourth proportional to 319,584.96, 441,019.44 and 176,344.92 is: 243,351.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,584.96 : 441,019.44 = 176,344.92 : x
  2. Step 2: Convert to fraction form
    319,584.96/441,019.44 = 176,344.92/x
  3. Step 3: Cross multiply
    319,584.96x = 441,019.44 × 176,344.92
  4. Step 4: Simplify right side
    319,584.96x = 77,771,537,865.24
  5. Step 5: Solve for x
    x = 77,771,537,865.24/319,584.96
  6. Step 6: Final answer
    x = 243,351.68

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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.