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Finding the Fourth Proportional to 535,161.90, 802,876.70 and 377,697.90

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Solution

The fourth proportional to 535,161.90, 802,876.70 and 377,697.90 is: 566,641.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,161.90 : 802,876.70 = 377,697.90 : x
  2. Step 2: Convert to fraction form
    535,161.90/802,876.70 = 377,697.90/x
  3. Step 3: Cross multiply
    535,161.90x = 802,876.70 × 377,697.90
  4. Step 4: Simplify right side
    535,161.90x = 303,244,843,548.93
  5. Step 5: Solve for x
    x = 303,244,843,548.93/535,161.90
  6. Step 6: Final answer
    x = 566,641.32

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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.