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Finding the Fourth Proportional to 377,562.56, 565,679.40 and 355,087.08

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Solution

The fourth proportional to 377,562.56, 565,679.40 and 355,087.08 is: 532,005.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,562.56 : 565,679.40 = 355,087.08 : x
  2. Step 2: Convert to fraction form
    377,562.56/565,679.40 = 355,087.08/x
  3. Step 3: Cross multiply
    377,562.56x = 565,679.40 × 355,087.08
  4. Step 4: Simplify right side
    377,562.56x = 200,865,446,362.15
  5. Step 5: Solve for x
    x = 200,865,446,362.15/377,562.56
  6. Step 6: Final answer
    x = 532,005.73

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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.