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Finding the Fourth Proportional to 314,350.58, 433,791.72 and 178,376.42

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Solution

The fourth proportional to 314,350.58, 433,791.72 and 178,376.42 is: 246,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,350.58 : 433,791.72 = 178,376.42 : x
  2. Step 2: Convert to fraction form
    314,350.58/433,791.72 = 178,376.42/x
  3. Step 3: Cross multiply
    314,350.58x = 433,791.72 × 178,376.42
  4. Step 4: Simplify right side
    314,350.58x = 77,378,211,870.28
  5. Step 5: Solve for x
    x = 77,378,211,870.28/314,350.58
  6. Step 6: Final answer
    x = 246,152.60

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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.