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Finding the Fourth Proportional to 565,832.37, 780,711.62 and 359,025.51

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Solution

The fourth proportional to 565,832.37, 780,711.62 and 359,025.51 is: 495,368.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,832.37 : 780,711.62 = 359,025.51 : x
  2. Step 2: Convert to fraction form
    565,832.37/780,711.62 = 359,025.51/x
  3. Step 3: Cross multiply
    565,832.37x = 780,711.62 × 359,025.51
  4. Step 4: Simplify right side
    565,832.37x = 280,295,385,738.30
  5. Step 5: Solve for x
    x = 280,295,385,738.30/565,832.37
  6. Step 6: Final answer
    x = 495,368.24

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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.