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Finding the Fourth Proportional to 404,363.19, 558,019.62 and 223,086.40

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Solution

The fourth proportional to 404,363.19, 558,019.62 and 223,086.40 is: 307,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,363.19 : 558,019.62 = 223,086.40 : x
  2. Step 2: Convert to fraction form
    404,363.19/558,019.62 = 223,086.40/x
  3. Step 3: Cross multiply
    404,363.19x = 558,019.62 × 223,086.40
  4. Step 4: Simplify right side
    404,363.19x = 124,486,588,155.17
  5. Step 5: Solve for x
    x = 124,486,588,155.17/404,363.19
  6. Step 6: Final answer
    x = 307,858.36

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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.