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Finding the Fourth Proportional to 654,872.92, 901,135.74 and 547,097.56

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Solution

The fourth proportional to 654,872.92, 901,135.74 and 547,097.56 is: 752,831.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,872.92 : 901,135.74 = 547,097.56 : x
  2. Step 2: Convert to fraction form
    654,872.92/901,135.74 = 547,097.56/x
  3. Step 3: Cross multiply
    654,872.92x = 901,135.74 × 547,097.56
  4. Step 4: Simplify right side
    654,872.92x = 493,009,164,582.79
  5. Step 5: Solve for x
    x = 493,009,164,582.79/654,872.92
  6. Step 6: Final answer
    x = 752,831.81

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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.