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Finding the Fourth Proportional to 503,733.68, 694,927.80 and 340,337.76

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Solution

The fourth proportional to 503,733.68, 694,927.80 and 340,337.76 is: 469,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,733.68 : 694,927.80 = 340,337.76 : x
  2. Step 2: Convert to fraction form
    503,733.68/694,927.80 = 340,337.76/x
  3. Step 3: Cross multiply
    503,733.68x = 694,927.80 × 340,337.76
  4. Step 4: Simplify right side
    503,733.68x = 236,510,170,813.73
  5. Step 5: Solve for x
    x = 236,510,170,813.73/503,733.68
  6. Step 6: Final answer
    x = 469,514.31

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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.