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Finding the Fourth Proportional to 404,885.01, 558,739.43 and 223,596.15

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Solution

The fourth proportional to 404,885.01, 558,739.43 and 223,596.15 is: 308,561.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,885.01 : 558,739.43 = 223,596.15 : x
  2. Step 2: Convert to fraction form
    404,885.01/558,739.43 = 223,596.15/x
  3. Step 3: Cross multiply
    404,885.01x = 558,739.43 × 223,596.15
  4. Step 4: Simplify right side
    404,885.01x = 124,931,983,340.86
  5. Step 5: Solve for x
    x = 124,931,983,340.86/404,885.01
  6. Step 6: Final answer
    x = 308,561.65

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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.