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Finding the Fourth Proportional to 565,797.12, 780,579.04 and 323,950.44

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Solution

The fourth proportional to 565,797.12, 780,579.04 and 323,950.44 is: 446,925.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,797.12 : 780,579.04 = 323,950.44 : x
  2. Step 2: Convert to fraction form
    565,797.12/780,579.04 = 323,950.44/x
  3. Step 3: Cross multiply
    565,797.12x = 780,579.04 × 323,950.44
  4. Step 4: Simplify right side
    565,797.12x = 252,868,923,462.78
  5. Step 5: Solve for x
    x = 252,868,923,462.78/565,797.12
  6. Step 6: Final answer
    x = 446,925.08

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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.