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Finding the Fourth Proportional to 565,851.45, 780,738.32 and 359,044.44

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Solution

The fourth proportional to 565,851.45, 780,738.32 and 359,044.44 is: 495,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,851.45 : 780,738.32 = 359,044.44 : x
  2. Step 2: Convert to fraction form
    565,851.45/780,738.32 = 359,044.44/x
  3. Step 3: Cross multiply
    565,851.45x = 780,738.32 × 359,044.44
  4. Step 4: Simplify right side
    565,851.45x = 280,319,751,095.72
  5. Step 5: Solve for x
    x = 280,319,751,095.72/565,851.45
  6. Step 6: Final answer
    x = 495,394.60

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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.