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Finding the Fourth Proportional to 536,793.40, 740,784.10 and 295,086.16

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Solution

The fourth proportional to 536,793.40, 740,784.10 and 295,086.16 is: 407,223.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,793.40 : 740,784.10 = 295,086.16 : x
  2. Step 2: Convert to fraction form
    536,793.40/740,784.10 = 295,086.16/x
  3. Step 3: Cross multiply
    536,793.40x = 740,784.10 × 295,086.16
  4. Step 4: Simplify right side
    536,793.40x = 218,595,135,458.06
  5. Step 5: Solve for x
    x = 218,595,135,458.06/536,793.40
  6. Step 6: Final answer
    x = 407,223.96

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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.