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Finding the Fourth Proportional to 348,484.87, 481,068.48 and 267,884.20

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Solution

The fourth proportional to 348,484.87, 481,068.48 and 267,884.20 is: 369,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,484.87 : 481,068.48 = 267,884.20 : x
  2. Step 2: Convert to fraction form
    348,484.87/481,068.48 = 267,884.20/x
  3. Step 3: Cross multiply
    348,484.87x = 481,068.48 × 267,884.20
  4. Step 4: Simplify right side
    348,484.87x = 128,870,644,910.02
  5. Step 5: Solve for x
    x = 128,870,644,910.02/348,484.87
  6. Step 6: Final answer
    x = 369,802.70

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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.