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Finding the Fourth Proportional to 352,391.50, 486,703.92 and 232,070.59

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Solution

The fourth proportional to 352,391.50, 486,703.92 and 232,070.59 is: 320,523.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,391.50 : 486,703.92 = 232,070.59 : x
  2. Step 2: Convert to fraction form
    352,391.50/486,703.92 = 232,070.59/x
  3. Step 3: Cross multiply
    352,391.50x = 486,703.92 × 232,070.59
  4. Step 4: Simplify right side
    352,391.50x = 112,949,665,869.71
  5. Step 5: Solve for x
    x = 112,949,665,869.71/352,391.50
  6. Step 6: Final answer
    x = 320,523.24

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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.