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Finding the Fourth Proportional to 653,219.70, 901,420.02 and 366,751.86

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Solution

The fourth proportional to 653,219.70, 901,420.02 and 366,751.86 is: 506,104.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,219.70 : 901,420.02 = 366,751.86 : x
  2. Step 2: Convert to fraction form
    653,219.70/901,420.02 = 366,751.86/x
  3. Step 3: Cross multiply
    653,219.70x = 901,420.02 × 366,751.86
  4. Step 4: Simplify right side
    653,219.70x = 330,597,468,976.24
  5. Step 5: Solve for x
    x = 330,597,468,976.24/653,219.70
  6. Step 6: Final answer
    x = 506,104.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.