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Finding the Fourth Proportional to 582,528.40, 873,792.60 and 395,904.40

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Solution

The fourth proportional to 582,528.40, 873,792.60 and 395,904.40 is: 593,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,528.40 : 873,792.60 = 395,904.40 : x
  2. Step 2: Convert to fraction form
    582,528.40/873,792.60 = 395,904.40/x
  3. Step 3: Cross multiply
    582,528.40x = 873,792.60 × 395,904.40
  4. Step 4: Simplify right side
    582,528.40x = 345,938,335,027.44
  5. Step 5: Solve for x
    x = 345,938,335,027.44/582,528.40
  6. Step 6: Final answer
    x = 593,856.60

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Double scale
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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.