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Finding the Fourth Proportional to 536,784.40, 804,664.60 and 199,734.80

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Solution

The fourth proportional to 536,784.40, 804,664.60 and 199,734.80 is: 299,411.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,784.40 : 804,664.60 = 199,734.80 : x
  2. Step 2: Convert to fraction form
    536,784.40/804,664.60 = 199,734.80/x
  3. Step 3: Cross multiply
    536,784.40x = 804,664.60 × 199,734.80
  4. Step 4: Simplify right side
    536,784.40x = 160,719,522,948.08
  5. Step 5: Solve for x
    x = 160,719,522,948.08/536,784.40
  6. Step 6: Final answer
    x = 299,411.69

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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.