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Finding the Fourth Proportional to 519,764.62, 779,674.84 and 164,806.32

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Solution

The fourth proportional to 519,764.62, 779,674.84 and 164,806.32 is: 247,218.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,764.62 : 779,674.84 = 164,806.32 : x
  2. Step 2: Convert to fraction form
    519,764.62/779,674.84 = 164,806.32/x
  3. Step 3: Cross multiply
    519,764.62x = 779,674.84 × 164,806.32
  4. Step 4: Simplify right side
    519,764.62x = 128,495,341,176.99
  5. Step 5: Solve for x
    x = 128,495,341,176.99/519,764.62
  6. Step 6: Final answer
    x = 247,218.33

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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.