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Finding the Fourth Proportional to 337,337.96, 506,079.80 and 126,975.28

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Solution

The fourth proportional to 337,337.96, 506,079.80 and 126,975.28 is: 190,490.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,337.96 : 506,079.80 = 126,975.28 : x
  2. Step 2: Convert to fraction form
    337,337.96/506,079.80 = 126,975.28/x
  3. Step 3: Cross multiply
    337,337.96x = 506,079.80 × 126,975.28
  4. Step 4: Simplify right side
    337,337.96x = 64,259,624,307.34
  5. Step 5: Solve for x
    x = 64,259,624,307.34/337,337.96
  6. Step 6: Final answer
    x = 190,490.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.