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Finding the Fourth Proportional to 348,148.66, 480,444.33 and 197,245.66

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Solution

The fourth proportional to 348,148.66, 480,444.33 and 197,245.66 is: 272,198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,148.66 : 480,444.33 = 197,245.66 : x
  2. Step 2: Convert to fraction form
    348,148.66/480,444.33 = 197,245.66/x
  3. Step 3: Cross multiply
    348,148.66x = 480,444.33 × 197,245.66
  4. Step 4: Simplify right side
    348,148.66x = 94,765,558,964.11
  5. Step 5: Solve for x
    x = 94,765,558,964.11/348,148.66
  6. Step 6: Final answer
    x = 272,198.55

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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.