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Finding the Fourth Proportional to 894,791.84, 1,234,833.30 and 507,633.20

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Solution

The fourth proportional to 894,791.84, 1,234,833.30 and 507,633.20 is: 700,545.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,791.84 : 1,234,833.30 = 507,633.20 : x
  2. Step 2: Convert to fraction form
    894,791.84/1,234,833.30 = 507,633.20/x
  3. Step 3: Cross multiply
    894,791.84x = 1,234,833.30 × 507,633.20
  4. Step 4: Simplify right side
    894,791.84x = 626,842,379,545.56
  5. Step 5: Solve for x
    x = 626,842,379,545.56/894,791.84
  6. Step 6: Final answer
    x = 700,545.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.