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Finding the Fourth Proportional to 486,471.99, 730,040.16 and 170,928.93

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Solution

The fourth proportional to 486,471.99, 730,040.16 and 170,928.93 is: 256,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,471.99 : 730,040.16 = 170,928.93 : x
  2. Step 2: Convert to fraction form
    486,471.99/730,040.16 = 170,928.93/x
  3. Step 3: Cross multiply
    486,471.99x = 730,040.16 × 170,928.93
  4. Step 4: Simplify right side
    486,471.99x = 124,784,983,405.83
  5. Step 5: Solve for x
    x = 124,784,983,405.83/486,471.99
  6. Step 6: Final answer
    x = 256,510.11

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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.