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Finding the Fourth Proportional to 534,618.98, 737,774.20 and 292,910.72

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Solution

The fourth proportional to 534,618.98, 737,774.20 and 292,910.72 is: 404,216.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,618.98 : 737,774.20 = 292,910.72 : x
  2. Step 2: Convert to fraction form
    534,618.98/737,774.20 = 292,910.72/x
  3. Step 3: Cross multiply
    534,618.98x = 737,774.20 × 292,910.72
  4. Step 4: Simplify right side
    534,618.98x = 216,101,971,085.37
  5. Step 5: Solve for x
    x = 216,101,971,085.37/534,618.98
  6. Step 6: Final answer
    x = 404,216.79

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1.5x scale

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.