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Finding the Fourth Proportional to 348,147.66, 480,442.95 and 197,244.66

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Solution

The fourth proportional to 348,147.66, 480,442.95 and 197,244.66 is: 272,197.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,147.66 : 480,442.95 = 197,244.66 : x
  2. Step 2: Convert to fraction form
    348,147.66/480,442.95 = 197,244.66/x
  3. Step 3: Cross multiply
    348,147.66x = 480,442.95 × 197,244.66
  4. Step 4: Simplify right side
    348,147.66x = 94,764,806,322.15
  5. Step 5: Solve for x
    x = 94,764,806,322.15/348,147.66
  6. Step 6: Final answer
    x = 272,197.17

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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.