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Finding the Fourth Proportional to 436,604.19, 654,989.54 and 152,375.93

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Solution

The fourth proportional to 436,604.19, 654,989.54 and 152,375.93 is: 228,592.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,604.19 : 654,989.54 = 152,375.93 : x
  2. Step 2: Convert to fraction form
    436,604.19/654,989.54 = 152,375.93/x
  3. Step 3: Cross multiply
    436,604.19x = 654,989.54 × 152,375.93
  4. Step 4: Simplify right side
    436,604.19x = 99,804,643,258.59
  5. Step 5: Solve for x
    x = 99,804,643,258.59/436,604.19
  6. Step 6: Final answer
    x = 228,592.96

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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.