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Finding the Fourth Proportional to 311,250.48, 429,527.64 and 177,114.48

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Solution

The fourth proportional to 311,250.48, 429,527.64 and 177,114.48 is: 244,419.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,250.48 : 429,527.64 = 177,114.48 : x
  2. Step 2: Convert to fraction form
    311,250.48/429,527.64 = 177,114.48/x
  3. Step 3: Cross multiply
    311,250.48x = 429,527.64 × 177,114.48
  4. Step 4: Simplify right side
    311,250.48x = 76,075,564,604.23
  5. Step 5: Solve for x
    x = 76,075,564,604.23/311,250.48
  6. Step 6: Final answer
    x = 244,419.11

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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.