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Finding the Fourth Proportional to 536,793.90, 740,784.80 and 295,086.66

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Solution

The fourth proportional to 536,793.90, 740,784.80 and 295,086.66 is: 407,224.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,793.90 : 740,784.80 = 295,086.66 : x
  2. Step 2: Convert to fraction form
    536,793.90/740,784.80 = 295,086.66/x
  3. Step 3: Cross multiply
    536,793.90x = 740,784.80 × 295,086.66
  4. Step 4: Simplify right side
    536,793.90x = 218,595,712,410.77
  5. Step 5: Solve for x
    x = 218,595,712,410.77/536,793.90
  6. Step 6: Final answer
    x = 407,224.66

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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.