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Finding the Fourth Proportional to 348,227.52, 480,663.36 and 197,424.96

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Solution

The fourth proportional to 348,227.52, 480,663.36 and 197,424.96 is: 272,508.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,227.52 : 480,663.36 = 197,424.96 : x
  2. Step 2: Convert to fraction form
    348,227.52/480,663.36 = 197,424.96/x
  3. Step 3: Cross multiply
    348,227.52x = 480,663.36 × 197,424.96
  4. Step 4: Simplify right side
    348,227.52x = 94,894,944,621.47
  5. Step 5: Solve for x
    x = 94,894,944,621.47/348,227.52
  6. Step 6: Final answer
    x = 272,508.46

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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.