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Finding the Fourth Proportional to 313,188.66, 432,201.51 and 169,948.71

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Solution

The fourth proportional to 313,188.66, 432,201.51 and 169,948.71 is: 234,529.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,188.66 : 432,201.51 = 169,948.71 : x
  2. Step 2: Convert to fraction form
    313,188.66/432,201.51 = 169,948.71/x
  3. Step 3: Cross multiply
    313,188.66x = 432,201.51 × 169,948.71
  4. Step 4: Simplify right side
    313,188.66x = 73,452,089,084.55
  5. Step 5: Solve for x
    x = 73,452,089,084.55/313,188.66
  6. Step 6: Final answer
    x = 234,529.85

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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.