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Finding the Fourth Proportional to 348,173, 480,498.18 and 197,318.60

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Solution

The fourth proportional to 348,173, 480,498.18 and 197,318.60 is: 272,310.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,173 : 480,498.18 = 197,318.60 : x
  2. Step 2: Convert to fraction form
    348,173/480,498.18 = 197,318.60/x
  3. Step 3: Cross multiply
    348,173x = 480,498.18 × 197,318.60
  4. Step 4: Simplify right side
    348,173x = 94,811,228,180.15
  5. Step 5: Solve for x
    x = 94,811,228,180.15/348,173
  6. Step 6: Final answer
    x = 272,310.69

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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.