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Finding the Fourth Proportional to 500,542.04, 750,806.70 and 121,465.88

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Solution

The fourth proportional to 500,542.04, 750,806.70 and 121,465.88 is: 182,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,542.04 : 750,806.70 = 121,465.88 : x
  2. Step 2: Convert to fraction form
    500,542.04/750,806.70 = 121,465.88/x
  3. Step 3: Cross multiply
    500,542.04x = 750,806.70 × 121,465.88
  4. Step 4: Simplify right side
    500,542.04x = 91,197,392,771.36
  5. Step 5: Solve for x
    x = 91,197,392,771.36/500,542.04
  6. Step 6: Final answer
    x = 182,197.27

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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.