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Finding the Fourth Proportional to 347,769.60, 521,500.80 and 160,838.40

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Solution

The fourth proportional to 347,769.60, 521,500.80 and 160,838.40 is: 241,186.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,769.60 : 521,500.80 = 160,838.40 : x
  2. Step 2: Convert to fraction form
    347,769.60/521,500.80 = 160,838.40/x
  3. Step 3: Cross multiply
    347,769.60x = 521,500.80 × 160,838.40
  4. Step 4: Simplify right side
    347,769.60x = 83,877,354,270.72
  5. Step 5: Solve for x
    x = 83,877,354,270.72/347,769.60
  6. Step 6: Final answer
    x = 241,186.56

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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.