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Finding the Fourth Proportional to 607,028.20, 908,468.70 and 532,378.60

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Solution

The fourth proportional to 607,028.20, 908,468.70 and 532,378.60 is: 796,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,028.20 : 908,468.70 = 532,378.60 : x
  2. Step 2: Convert to fraction form
    607,028.20/908,468.70 = 532,378.60/x
  3. Step 3: Cross multiply
    607,028.20x = 908,468.70 × 532,378.60
  4. Step 4: Simplify right side
    607,028.20x = 483,649,294,649.82
  5. Step 5: Solve for x
    x = 483,649,294,649.82/607,028.20
  6. Step 6: Final answer
    x = 796,749.30

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Similar ratio
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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.