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Finding the Fourth Proportional to 653,121.92, 901,308.64 and 366,734.72

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Solution

The fourth proportional to 653,121.92, 901,308.64 and 366,734.72 is: 506,094.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,121.92 : 901,308.64 = 366,734.72 : x
  2. Step 2: Convert to fraction form
    653,121.92/901,308.64 = 366,734.72/x
  3. Step 3: Cross multiply
    653,121.92x = 901,308.64 × 366,734.72
  4. Step 4: Simplify right side
    653,121.92x = 330,541,171,723.98
  5. Step 5: Solve for x
    x = 330,541,171,723.98/653,121.92
  6. Step 6: Final answer
    x = 506,094.13

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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.