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Finding the Fourth Proportional to 503,674.40, 755,593.60 and 148,724.32

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Solution

The fourth proportional to 503,674.40, 755,593.60 and 148,724.32 is: 223,110.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,674.40 : 755,593.60 = 148,724.32 : x
  2. Step 2: Convert to fraction form
    503,674.40/755,593.60 = 148,724.32/x
  3. Step 3: Cross multiply
    503,674.40x = 755,593.60 × 148,724.32
  4. Step 4: Simplify right side
    503,674.40x = 112,375,144,356.35
  5. Step 5: Solve for x
    x = 112,375,144,356.35/503,674.40
  6. Step 6: Final answer
    x = 223,110.69

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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.