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Finding the Fourth Proportional to 551,402.90, 827,881.95 and 341,450.90

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Solution

The fourth proportional to 551,402.90, 827,881.95 and 341,450.90 is: 512,657.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,402.90 : 827,881.95 = 341,450.90 : x
  2. Step 2: Convert to fraction form
    551,402.90/827,881.95 = 341,450.90/x
  3. Step 3: Cross multiply
    551,402.90x = 827,881.95 × 341,450.90
  4. Step 4: Simplify right side
    551,402.90x = 282,681,036,921.26
  5. Step 5: Solve for x
    x = 282,681,036,921.26/551,402.90
  6. Step 6: Final answer
    x = 512,657.87

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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.