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Finding the Fourth Proportional to 500,553.88, 750,824.58 and 121,477.78

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Solution

The fourth proportional to 500,553.88, 750,824.58 and 121,477.78 is: 182,215.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,553.88 : 750,824.58 = 121,477.78 : x
  2. Step 2: Convert to fraction form
    500,553.88/750,824.58 = 121,477.78/x
  3. Step 3: Cross multiply
    500,553.88x = 750,824.58 × 121,477.78
  4. Step 4: Simplify right side
    500,553.88x = 91,208,503,147.83
  5. Step 5: Solve for x
    x = 91,208,503,147.83/500,553.88
  6. Step 6: Final answer
    x = 182,215.16

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1.5x scale

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.