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Finding the Fourth Proportional to 800,606.16, 1,201,322.16 and 351,641.52

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Solution

The fourth proportional to 800,606.16, 1,201,322.16 and 351,641.52 is: 527,643.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,606.16 : 1,201,322.16 = 351,641.52 : x
  2. Step 2: Convert to fraction form
    800,606.16/1,201,322.16 = 351,641.52/x
  3. Step 3: Cross multiply
    800,606.16x = 1,201,322.16 × 351,641.52
  4. Step 4: Simplify right side
    800,606.16x = 422,434,750,352.08
  5. Step 5: Solve for x
    x = 422,434,750,352.08/800,606.16
  6. Step 6: Final answer
    x = 527,643.64

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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.