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Finding the Fourth Proportional to 310,908.40, 429,048.90 and 174,942.52

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Solution

The fourth proportional to 310,908.40, 429,048.90 and 174,942.52 is: 241,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,908.40 : 429,048.90 = 174,942.52 : x
  2. Step 2: Convert to fraction form
    310,908.40/429,048.90 = 174,942.52/x
  3. Step 3: Cross multiply
    310,908.40x = 429,048.90 × 174,942.52
  4. Step 4: Simplify right side
    310,908.40x = 75,058,895,769.23
  5. Step 5: Solve for x
    x = 75,058,895,769.23/310,908.40
  6. Step 6: Final answer
    x = 241,418.04

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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.