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Finding the Fourth Proportional to 323,063.19, 445,827.15 and 179,820.18

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Solution

The fourth proportional to 323,063.19, 445,827.15 and 179,820.18 is: 248,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,063.19 : 445,827.15 = 179,820.18 : x
  2. Step 2: Convert to fraction form
    323,063.19/445,827.15 = 179,820.18/x
  3. Step 3: Cross multiply
    323,063.19x = 445,827.15 × 179,820.18
  4. Step 4: Simplify right side
    323,063.19x = 80,168,718,361.89
  5. Step 5: Solve for x
    x = 80,168,718,361.89/323,063.19
  6. Step 6: Final answer
    x = 248,151.82

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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.