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Finding the Fourth Proportional to 565,159.68, 780,054.30 and 323,581.23

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Solution

The fourth proportional to 565,159.68, 780,054.30 and 323,581.23 is: 446,618.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,159.68 : 780,054.30 = 323,581.23 : x
  2. Step 2: Convert to fraction form
    565,159.68/780,054.30 = 323,581.23/x
  3. Step 3: Cross multiply
    565,159.68x = 780,054.30 × 323,581.23
  4. Step 4: Simplify right side
    565,159.68x = 252,410,929,860.79
  5. Step 5: Solve for x
    x = 252,410,929,860.79/565,159.68
  6. Step 6: Final answer
    x = 446,618.79

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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.