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Finding the Fourth Proportional to 404,723.52, 606,756.96 and 360,436.32

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Solution

The fourth proportional to 404,723.52, 606,756.96 and 360,436.32 is: 540,362.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,723.52 : 606,756.96 = 360,436.32 : x
  2. Step 2: Convert to fraction form
    404,723.52/606,756.96 = 360,436.32/x
  3. Step 3: Cross multiply
    404,723.52x = 606,756.96 × 360,436.32
  4. Step 4: Simplify right side
    404,723.52x = 218,697,245,796.79
  5. Step 5: Solve for x
    x = 218,697,245,796.79/404,723.52
  6. Step 6: Final answer
    x = 540,362.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.