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Finding the Fourth Proportional to 311,008.41, 429,232.77 and 175,068.74

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Solution

The fourth proportional to 311,008.41, 429,232.77 and 175,068.74 is: 241,618.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,008.41 : 429,232.77 = 175,068.74 : x
  2. Step 2: Convert to fraction form
    311,008.41/429,232.77 = 175,068.74/x
  3. Step 3: Cross multiply
    311,008.41x = 429,232.77 × 175,068.74
  4. Step 4: Simplify right side
    311,008.41x = 75,145,241,283.69
  5. Step 5: Solve for x
    x = 75,145,241,283.69/311,008.41
  6. Step 6: Final answer
    x = 241,618.04

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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.