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Finding the Fourth Proportional to 331,473.52, 497,111.46 and 118,203.76

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Solution

The fourth proportional to 331,473.52, 497,111.46 and 118,203.76 is: 177,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,473.52 : 497,111.46 = 118,203.76 : x
  2. Step 2: Convert to fraction form
    331,473.52/497,111.46 = 118,203.76/x
  3. Step 3: Cross multiply
    331,473.52x = 497,111.46 × 118,203.76
  4. Step 4: Simplify right side
    331,473.52x = 58,760,443,711.09
  5. Step 5: Solve for x
    x = 58,760,443,711.09/331,473.52
  6. Step 6: Final answer
    x = 177,270.40

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1.5x scale

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.