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Finding the Fourth Proportional to 536,881.42, 740,889.69 and 295,161.87

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Solution

The fourth proportional to 536,881.42, 740,889.69 and 295,161.87 is: 407,319.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,881.42 : 740,889.69 = 295,161.87 : x
  2. Step 2: Convert to fraction form
    536,881.42/740,889.69 = 295,161.87/x
  3. Step 3: Cross multiply
    536,881.42x = 740,889.69 × 295,161.87
  4. Step 4: Simplify right side
    536,881.42x = 218,682,388,035.60
  5. Step 5: Solve for x
    x = 218,682,388,035.60/536,881.42
  6. Step 6: Final answer
    x = 407,319.72

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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.