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Finding the Fourth Proportional to 503,748.12, 694,947.51 and 340,351.89

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Solution

The fourth proportional to 503,748.12, 694,947.51 and 340,351.89 is: 469,533.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,748.12 : 694,947.51 = 340,351.89 : x
  2. Step 2: Convert to fraction form
    503,748.12/694,947.51 = 340,351.89/x
  3. Step 3: Cross multiply
    503,748.12x = 694,947.51 × 340,351.89
  4. Step 4: Simplify right side
    503,748.12x = 236,526,695,873.24
  5. Step 5: Solve for x
    x = 236,526,695,873.24/503,748.12
  6. Step 6: Final answer
    x = 469,533.65

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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.