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Finding the Fourth Proportional to 348,197.48, 480,335.66 and 227,409.47

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Solution

The fourth proportional to 348,197.48, 480,335.66 and 227,409.47 is: 313,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,197.48 : 480,335.66 = 227,409.47 : x
  2. Step 2: Convert to fraction form
    348,197.48/480,335.66 = 227,409.47/x
  3. Step 3: Cross multiply
    348,197.48x = 480,335.66 × 227,409.47
  4. Step 4: Simplify right side
    348,197.48x = 109,232,874,323.98
  5. Step 5: Solve for x
    x = 109,232,874,323.98/348,197.48
  6. Step 6: Final answer
    x = 313,709.55

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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.