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Finding the Fourth Proportional to 519,350.11, 778,947.06 and 164,317.93

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Solution

The fourth proportional to 519,350.11, 778,947.06 and 164,317.93 is: 246,452.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,350.11 : 778,947.06 = 164,317.93 : x
  2. Step 2: Convert to fraction form
    519,350.11/778,947.06 = 164,317.93/x
  3. Step 3: Cross multiply
    519,350.11x = 778,947.06 × 164,317.93
  4. Step 4: Simplify right side
    519,350.11x = 127,994,968,478.79
  5. Step 5: Solve for x
    x = 127,994,968,478.79/519,350.11
  6. Step 6: Final answer
    x = 246,452.18

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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.