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Finding the Fourth Proportional to 565,303.77, 780,162.71 and 323,662.41

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Solution

The fourth proportional to 565,303.77, 780,162.71 and 323,662.41 is: 446,679.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,303.77 : 780,162.71 = 323,662.41 : x
  2. Step 2: Convert to fraction form
    565,303.77/780,162.71 = 323,662.41/x
  3. Step 3: Cross multiply
    565,303.77x = 780,162.71 × 323,662.41
  4. Step 4: Simplify right side
    565,303.77x = 252,509,341,292.42
  5. Step 5: Solve for x
    x = 252,509,341,292.42/565,303.77
  6. Step 6: Final answer
    x = 446,679.03

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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.