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Finding the Fourth Proportional to 404,657.93, 558,424.80 and 223,369.92

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Solution

The fourth proportional to 404,657.93, 558,424.80 and 223,369.92 is: 308,248.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,657.93 : 558,424.80 = 223,369.92 : x
  2. Step 2: Convert to fraction form
    404,657.93/558,424.80 = 223,369.92/x
  3. Step 3: Cross multiply
    404,657.93x = 558,424.80 × 223,369.92
  4. Step 4: Simplify right side
    404,657.93x = 124,735,302,902.02
  5. Step 5: Solve for x
    x = 124,735,302,902.02/404,657.93
  6. Step 6: Final answer
    x = 308,248.75

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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.