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Finding the Fourth Proportional to 404,657.82, 558,425.18 and 223,369.70

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Solution

The fourth proportional to 404,657.82, 558,425.18 and 223,369.70 is: 308,248.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,657.82 : 558,425.18 = 223,369.70 : x
  2. Step 2: Convert to fraction form
    404,657.82/558,425.18 = 223,369.70/x
  3. Step 3: Cross multiply
    404,657.82x = 558,425.18 × 223,369.70
  4. Step 4: Simplify right side
    404,657.82x = 124,735,262,695.34
  5. Step 5: Solve for x
    x = 124,735,262,695.34/404,657.82
  6. Step 6: Final answer
    x = 308,248.74

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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.