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Finding the Fourth Proportional to 404,528.86, 558,263.23 and 220,777.46

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Solution

The fourth proportional to 404,528.86, 558,263.23 and 220,777.46 is: 304,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,528.86 : 558,263.23 = 220,777.46 : x
  2. Step 2: Convert to fraction form
    404,528.86/558,263.23 = 220,777.46/x
  3. Step 3: Cross multiply
    404,528.86x = 558,263.23 × 220,777.46
  4. Step 4: Simplify right side
    404,528.86x = 123,251,937,155.61
  5. Step 5: Solve for x
    x = 123,251,937,155.61/404,528.86
  6. Step 6: Final answer
    x = 304,680.21

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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.