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Finding the Fourth Proportional to 348,859.92, 481,572.96 and 235,835.76

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Solution

The fourth proportional to 348,859.92, 481,572.96 and 235,835.76 is: 325,552.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,859.92 : 481,572.96 = 235,835.76 : x
  2. Step 2: Convert to fraction form
    348,859.92/481,572.96 = 235,835.76/x
  3. Step 3: Cross multiply
    348,859.92x = 481,572.96 × 235,835.76
  4. Step 4: Simplify right side
    348,859.92x = 113,572,125,017.05
  5. Step 5: Solve for x
    x = 113,572,125,017.05/348,859.92
  6. Step 6: Final answer
    x = 325,552.23

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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.