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Finding the Fourth Proportional to 373,206.52, 559,701.33 and 145,451.45

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Solution

The fourth proportional to 373,206.52, 559,701.33 and 145,451.45 is: 218,134.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,206.52 : 559,701.33 = 145,451.45 : x
  2. Step 2: Convert to fraction form
    373,206.52/559,701.33 = 145,451.45/x
  3. Step 3: Cross multiply
    373,206.52x = 559,701.33 × 145,451.45
  4. Step 4: Simplify right side
    373,206.52x = 81,409,369,840.52
  5. Step 5: Solve for x
    x = 81,409,369,840.52/373,206.52
  6. Step 6: Final answer
    x = 218,134.91

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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.