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Finding the Fourth Proportional to 535,275.20, 802,912.80 and 324,977.60

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Solution

The fourth proportional to 535,275.20, 802,912.80 and 324,977.60 is: 487,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,275.20 : 802,912.80 = 324,977.60 : x
  2. Step 2: Convert to fraction form
    535,275.20/802,912.80 = 324,977.60/x
  3. Step 3: Cross multiply
    535,275.20x = 802,912.80 × 324,977.60
  4. Step 4: Simplify right side
    535,275.20x = 260,928,674,753.28
  5. Step 5: Solve for x
    x = 260,928,674,753.28/535,275.20
  6. Step 6: Final answer
    x = 487,466.40

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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.