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Finding the Fourth Proportional to 362,881.80, 544,322.70 and 322,792.20

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Solution

The fourth proportional to 362,881.80, 544,322.70 and 322,792.20 is: 484,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,881.80 : 544,322.70 = 322,792.20 : x
  2. Step 2: Convert to fraction form
    362,881.80/544,322.70 = 322,792.20/x
  3. Step 3: Cross multiply
    362,881.80x = 544,322.70 × 322,792.20
  4. Step 4: Simplify right side
    362,881.80x = 175,703,121,842.94
  5. Step 5: Solve for x
    x = 175,703,121,842.94/362,881.80
  6. Step 6: Final answer
    x = 484,188.30

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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.