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Finding the Fourth Proportional to 323,032.71, 445,780.67 and 179,792.80

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Solution

The fourth proportional to 323,032.71, 445,780.67 and 179,792.80 is: 248,111.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,032.71 : 445,780.67 = 179,792.80 : x
  2. Step 2: Convert to fraction form
    323,032.71/445,780.67 = 179,792.80/x
  3. Step 3: Cross multiply
    323,032.71x = 445,780.67 × 179,792.80
  4. Step 4: Simplify right side
    323,032.71x = 80,148,154,845.18
  5. Step 5: Solve for x
    x = 80,148,154,845.18/323,032.71
  6. Step 6: Final answer
    x = 248,111.58

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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.