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Finding the Fourth Proportional to 373,218.40, 559,827.60 and 106,963.30

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Solution

The fourth proportional to 373,218.40, 559,827.60 and 106,963.30 is: 160,444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,218.40 : 559,827.60 = 106,963.30 : x
  2. Step 2: Convert to fraction form
    373,218.40/559,827.60 = 106,963.30/x
  3. Step 3: Cross multiply
    373,218.40x = 559,827.60 × 106,963.30
  4. Step 4: Simplify right side
    373,218.40x = 59,881,007,527.08
  5. Step 5: Solve for x
    x = 59,881,007,527.08/373,218.40
  6. Step 6: Final answer
    x = 160,444.95

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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.