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Finding the Fourth Proportional to 702,010.80, 968,691.56 and 396,069.35

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Solution

The fourth proportional to 702,010.80, 968,691.56 and 396,069.35 is: 546,528.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,010.80 : 968,691.56 = 396,069.35 : x
  2. Step 2: Convert to fraction form
    702,010.80/968,691.56 = 396,069.35/x
  3. Step 3: Cross multiply
    702,010.80x = 968,691.56 × 396,069.35
  4. Step 4: Simplify right side
    702,010.80x = 383,669,029,695.88
  5. Step 5: Solve for x
    x = 383,669,029,695.88/702,010.80
  6. Step 6: Final answer
    x = 546,528.67

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Similar ratio
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1.5x scale

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.