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Finding the Fourth Proportional to 610,893.24, 916,393.74 and 226,646.52

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Solution

The fourth proportional to 610,893.24, 916,393.74 and 226,646.52 is: 339,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,893.24 : 916,393.74 = 226,646.52 : x
  2. Step 2: Convert to fraction form
    610,893.24/916,393.74 = 226,646.52/x
  3. Step 3: Cross multiply
    610,893.24x = 916,393.74 × 226,646.52
  4. Step 4: Simplify right side
    610,893.24x = 207,697,452,120.79
  5. Step 5: Solve for x
    x = 207,697,452,120.79/610,893.24
  6. Step 6: Final answer
    x = 339,989.77

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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.