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Finding the Fourth Proportional to 348,266.16, 480,811.68 and 267,535.08

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Solution

The fourth proportional to 348,266.16, 480,811.68 and 267,535.08 is: 369,355.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,266.16 : 480,811.68 = 267,535.08 : x
  2. Step 2: Convert to fraction form
    348,266.16/480,811.68 = 267,535.08/x
  3. Step 3: Cross multiply
    348,266.16x = 480,811.68 × 267,535.08
  4. Step 4: Simplify right side
    348,266.16x = 128,633,991,273.73
  5. Step 5: Solve for x
    x = 128,633,991,273.73/348,266.16
  6. Step 6: Final answer
    x = 369,355.41

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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.