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Finding the Fourth Proportional to 347,920.75, 480,130.64 and 197,046.91

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Solution

The fourth proportional to 347,920.75, 480,130.64 and 197,046.91 is: 271,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,920.75 : 480,130.64 = 197,046.91 : x
  2. Step 2: Convert to fraction form
    347,920.75/480,130.64 = 197,046.91/x
  3. Step 3: Cross multiply
    347,920.75x = 480,130.64 × 197,046.91
  4. Step 4: Simplify right side
    347,920.75x = 94,608,259,008.32
  5. Step 5: Solve for x
    x = 94,608,259,008.32/347,920.75
  6. Step 6: Final answer
    x = 271,924.74

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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.