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Finding the Fourth Proportional to 486,453.16, 729,813.51 and 233,944.88

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Solution

The fourth proportional to 486,453.16, 729,813.51 and 233,944.88 is: 350,981.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,453.16 : 729,813.51 = 233,944.88 : x
  2. Step 2: Convert to fraction form
    486,453.16/729,813.51 = 233,944.88/x
  3. Step 3: Cross multiply
    486,453.16x = 729,813.51 × 233,944.88
  4. Step 4: Simplify right side
    486,453.16x = 170,736,130,370.26
  5. Step 5: Solve for x
    x = 170,736,130,370.26/486,453.16
  6. Step 6: Final answer
    x = 350,981.64

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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.