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Finding the Fourth Proportional to 893,224.20, 1,337,762.70 and 872,488.20

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Solution

The fourth proportional to 893,224.20, 1,337,762.70 and 872,488.20 is: 1,306,706.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,224.20 : 1,337,762.70 = 872,488.20 : x
  2. Step 2: Convert to fraction form
    893,224.20/1,337,762.70 = 872,488.20/x
  3. Step 3: Cross multiply
    893,224.20x = 1,337,762.70 × 872,488.20
  4. Step 4: Simplify right side
    893,224.20x = 1,167,182,170,150.14
  5. Step 5: Solve for x
    x = 1,167,182,170,150.14/893,224.20
  6. Step 6: Final answer
    x = 1,306,706.84

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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.