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Finding the Fourth Proportional to 702,871.08, 969,962.50 and 380,581.32

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Solution

The fourth proportional to 702,871.08, 969,962.50 and 380,581.32 is: 525,202.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,871.08 : 969,962.50 = 380,581.32 : x
  2. Step 2: Convert to fraction form
    702,871.08/969,962.50 = 380,581.32/x
  3. Step 3: Cross multiply
    702,871.08x = 969,962.50 × 380,581.32
  4. Step 4: Simplify right side
    702,871.08x = 369,149,608,600.50
  5. Step 5: Solve for x
    x = 369,149,608,600.50/702,871.08
  6. Step 6: Final answer
    x = 525,202.44

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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.