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Finding the Fourth Proportional to 565,598.91, 780,778.08 and 336,230.43

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Solution

The fourth proportional to 565,598.91, 780,778.08 and 336,230.43 is: 464,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,598.91 : 780,778.08 = 336,230.43 : x
  2. Step 2: Convert to fraction form
    565,598.91/780,778.08 = 336,230.43/x
  3. Step 3: Cross multiply
    565,598.91x = 780,778.08 × 336,230.43
  4. Step 4: Simplify right side
    565,598.91x = 262,521,349,572.97
  5. Step 5: Solve for x
    x = 262,521,349,572.97/565,598.91
  6. Step 6: Final answer
    x = 464,147.55

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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.