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Finding the Fourth Proportional to 348,667.60, 481,264.32 and 205,473.76

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Solution

The fourth proportional to 348,667.60, 481,264.32 and 205,473.76 is: 283,614.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,667.60 : 481,264.32 = 205,473.76 : x
  2. Step 2: Convert to fraction form
    348,667.60/481,264.32 = 205,473.76/x
  3. Step 3: Cross multiply
    348,667.60x = 481,264.32 × 205,473.76
  4. Step 4: Simplify right side
    348,667.60x = 98,887,189,384.24
  5. Step 5: Solve for x
    x = 98,887,189,384.24/348,667.60
  6. Step 6: Final answer
    x = 283,614.51

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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.