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Finding the Fourth Proportional to 565,219.22, 847,828.82 and 265,479.93

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Solution

The fourth proportional to 565,219.22, 847,828.82 and 265,479.93 is: 398,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,219.22 : 847,828.82 = 265,479.93 : x
  2. Step 2: Convert to fraction form
    565,219.22/847,828.82 = 265,479.93/x
  3. Step 3: Cross multiply
    565,219.22x = 847,828.82 × 265,479.93
  4. Step 4: Simplify right side
    565,219.22x = 225,081,536,449.28
  5. Step 5: Solve for x
    x = 225,081,536,449.28/565,219.22
  6. Step 6: Final answer
    x = 398,219.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.