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Finding the Fourth Proportional to 363,054.67, 500,490.21 and 240,341.42

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Solution

The fourth proportional to 363,054.67, 500,490.21 and 240,341.42 is: 331,323.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,054.67 : 500,490.21 = 240,341.42 : x
  2. Step 2: Convert to fraction form
    363,054.67/500,490.21 = 240,341.42/x
  3. Step 3: Cross multiply
    363,054.67x = 500,490.21 × 240,341.42
  4. Step 4: Simplify right side
    363,054.67x = 120,288,527,767.50
  5. Step 5: Solve for x
    x = 120,288,527,767.50/363,054.67
  6. Step 6: Final answer
    x = 331,323.46

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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.