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Finding the Fourth Proportional to 536,889.79, 740,908.39 and 295,176.48

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Solution

The fourth proportional to 536,889.79, 740,908.39 and 295,176.48 is: 407,343.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,889.79 : 740,908.39 = 295,176.48 : x
  2. Step 2: Convert to fraction form
    536,889.79/740,908.39 = 295,176.48/x
  3. Step 3: Cross multiply
    536,889.79x = 740,908.39 × 295,176.48
  4. Step 4: Simplify right side
    536,889.79x = 218,698,730,562.67
  5. Step 5: Solve for x
    x = 218,698,730,562.67/536,889.79
  6. Step 6: Final answer
    x = 407,343.81

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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.