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Finding the Fourth Proportional to 404,666.44, 558,470.58 and 223,413.28

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Solution

The fourth proportional to 404,666.44, 558,470.58 and 223,413.28 is: 308,327.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,666.44 : 558,470.58 = 223,413.28 : x
  2. Step 2: Convert to fraction form
    404,666.44/558,470.58 = 223,413.28/x
  3. Step 3: Cross multiply
    404,666.44x = 558,470.58 × 223,413.28
  4. Step 4: Simplify right side
    404,666.44x = 124,769,744,061.30
  5. Step 5: Solve for x
    x = 124,769,744,061.30/404,666.44
  6. Step 6: Final answer
    x = 308,327.38

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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.