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Finding the Fourth Proportional to 500,605.62, 750,901.62 and 121,529.28

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Solution

The fourth proportional to 500,605.62, 750,901.62 and 121,529.28 is: 182,292.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,605.62 : 750,901.62 = 121,529.28 : x
  2. Step 2: Convert to fraction form
    500,605.62/750,901.62 = 121,529.28/x
  3. Step 3: Cross multiply
    500,605.62x = 750,901.62 × 121,529.28
  4. Step 4: Simplify right side
    500,605.62x = 91,256,533,229.43
  5. Step 5: Solve for x
    x = 91,256,533,229.43/500,605.62
  6. Step 6: Final answer
    x = 182,292.27

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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.