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Finding the Fourth Proportional to 176,343.60, 264,515.40 and 173,719.20

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Solution

The fourth proportional to 176,343.60, 264,515.40 and 173,719.20 is: 260,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,343.60 : 264,515.40 = 173,719.20 : x
  2. Step 2: Convert to fraction form
    176,343.60/264,515.40 = 173,719.20/x
  3. Step 3: Cross multiply
    176,343.60x = 264,515.40 × 173,719.20
  4. Step 4: Simplify right side
    176,343.60x = 45,951,403,675.68
  5. Step 5: Solve for x
    x = 45,951,403,675.68/176,343.60
  6. Step 6: Final answer
    x = 260,578.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.