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Finding the Fourth Proportional to 404,594.92, 558,340.46 and 223,307.20

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Solution

The fourth proportional to 404,594.92, 558,340.46 and 223,307.20 is: 308,163.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,594.92 : 558,340.46 = 223,307.20 : x
  2. Step 2: Convert to fraction form
    404,594.92/558,340.46 = 223,307.20/x
  3. Step 3: Cross multiply
    404,594.92x = 558,340.46 × 223,307.20
  4. Step 4: Simplify right side
    404,594.92x = 124,681,444,769.31
  5. Step 5: Solve for x
    x = 124,681,444,769.31/404,594.92
  6. Step 6: Final answer
    x = 308,163.64

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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.