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Finding the Fourth Proportional to 351,177.48, 484,624.35 and 198,247.86

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Solution

The fourth proportional to 351,177.48, 484,624.35 and 198,247.86 is: 273,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,177.48 : 484,624.35 = 198,247.86 : x
  2. Step 2: Convert to fraction form
    351,177.48/484,624.35 = 198,247.86/x
  3. Step 3: Cross multiply
    351,177.48x = 484,624.35 × 198,247.86
  4. Step 4: Simplify right side
    351,177.48x = 96,075,740,291.39
  5. Step 5: Solve for x
    x = 96,075,740,291.39/351,177.48
  6. Step 6: Final answer
    x = 273,581.72

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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.