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Finding the Fourth Proportional to 500,584.82, 750,870.81 and 121,508.46

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Solution

The fourth proportional to 500,584.82, 750,870.81 and 121,508.46 is: 182,261.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,584.82 : 750,870.81 = 121,508.46 : x
  2. Step 2: Convert to fraction form
    500,584.82/750,870.81 = 121,508.46/x
  3. Step 3: Cross multiply
    500,584.82x = 750,870.81 × 121,508.46
  4. Step 4: Simplify right side
    500,584.82x = 91,237,155,782.05
  5. Step 5: Solve for x
    x = 91,237,155,782.05/500,584.82
  6. Step 6: Final answer
    x = 182,261.13

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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.