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Finding the Fourth Proportional to 565,160.68, 780,055.68 and 323,582.23

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Solution

The fourth proportional to 565,160.68, 780,055.68 and 323,582.23 is: 446,620.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,160.68 : 780,055.68 = 323,582.23 : x
  2. Step 2: Convert to fraction form
    565,160.68/780,055.68 = 323,582.23/x
  3. Step 3: Cross multiply
    565,160.68x = 780,055.68 × 323,582.23
  4. Step 4: Simplify right side
    565,160.68x = 252,412,156,458.57
  5. Step 5: Solve for x
    x = 252,412,156,458.57/565,160.68
  6. Step 6: Final answer
    x = 446,620.17

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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.