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Finding the Fourth Proportional to 617,301.95, 851,841.90 and 341,644.77

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Solution

The fourth proportional to 617,301.95, 851,841.90 and 341,644.77 is: 471,450.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,301.95 : 851,841.90 = 341,644.77 : x
  2. Step 2: Convert to fraction form
    617,301.95/851,841.90 = 341,644.77/x
  3. Step 3: Cross multiply
    617,301.95x = 851,841.90 × 341,644.77
  4. Step 4: Simplify right side
    617,301.95x = 291,027,330,001.86
  5. Step 5: Solve for x
    x = 291,027,330,001.86/617,301.95
  6. Step 6: Final answer
    x = 471,450.53

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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.