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Finding the Fourth Proportional to 362,568.99, 541,482.43 and 308,686.53

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Solution

The fourth proportional to 362,568.99, 541,482.43 and 308,686.53 is: 461,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,568.99 : 541,482.43 = 308,686.53 : x
  2. Step 2: Convert to fraction form
    362,568.99/541,482.43 = 308,686.53/x
  3. Step 3: Cross multiply
    362,568.99x = 541,482.43 × 308,686.53
  4. Step 4: Simplify right side
    362,568.99x = 167,148,331,600.95
  5. Step 5: Solve for x
    x = 167,148,331,600.95/362,568.99
  6. Step 6: Final answer
    x = 461,011.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.