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Finding the Fourth Proportional to 311,302.93, 429,593.57 and 175,338.36

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Solution

The fourth proportional to 311,302.93, 429,593.57 and 175,338.36 is: 241,964.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,302.93 : 429,593.57 = 175,338.36 : x
  2. Step 2: Convert to fraction form
    311,302.93/429,593.57 = 175,338.36/x
  3. Step 3: Cross multiply
    311,302.93x = 429,593.57 × 175,338.36
  4. Step 4: Simplify right side
    311,302.93x = 75,324,232,030.35
  5. Step 5: Solve for x
    x = 75,324,232,030.35/311,302.93
  6. Step 6: Final answer
    x = 241,964.42

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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.