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Finding the Fourth Proportional to 893,395.98, 1,339,501.56 and 324,709.56

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Solution

The fourth proportional to 893,395.98, 1,339,501.56 and 324,709.56 is: 486,849.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,395.98 : 1,339,501.56 = 324,709.56 : x
  2. Step 2: Convert to fraction form
    893,395.98/1,339,501.56 = 324,709.56/x
  3. Step 3: Cross multiply
    893,395.98x = 1,339,501.56 × 324,709.56
  4. Step 4: Simplify right side
    893,395.98x = 434,948,962,166.91
  5. Step 5: Solve for x
    x = 434,948,962,166.91/893,395.98
  6. Step 6: Final answer
    x = 486,849.03

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Double scale
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1.5x scale

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.