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Finding the Fourth Proportional to 348,377.18, 480,760.17 and 197,474.18

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Solution

The fourth proportional to 348,377.18, 480,760.17 and 197,474.18 is: 272,514.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,377.18 : 480,760.17 = 197,474.18 : x
  2. Step 2: Convert to fraction form
    348,377.18/480,760.17 = 197,474.18/x
  3. Step 3: Cross multiply
    348,377.18x = 480,760.17 × 197,474.18
  4. Step 4: Simplify right side
    348,377.18x = 94,937,720,347.41
  5. Step 5: Solve for x
    x = 94,937,720,347.41/348,377.18
  6. Step 6: Final answer
    x = 272,514.18

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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.