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Finding the Fourth Proportional to 805,251, 1,111,267.64 and 437,752.85

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Solution

The fourth proportional to 805,251, 1,111,267.64 and 437,752.85 is: 604,110.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,251 : 1,111,267.64 = 437,752.85 : x
  2. Step 2: Convert to fraction form
    805,251/1,111,267.64 = 437,752.85/x
  3. Step 3: Cross multiply
    805,251x = 1,111,267.64 × 437,752.85
  4. Step 4: Simplify right side
    805,251x = 486,460,580,395.33
  5. Step 5: Solve for x
    x = 486,460,580,395.33/805,251
  6. Step 6: Final answer
    x = 604,110.50

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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.