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Finding the Fourth Proportional to 357,305.76, 535,970.70 and 179,715.96

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Solution

The fourth proportional to 357,305.76, 535,970.70 and 179,715.96 is: 269,580.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,305.76 : 535,970.70 = 179,715.96 : x
  2. Step 2: Convert to fraction form
    357,305.76/535,970.70 = 179,715.96/x
  3. Step 3: Cross multiply
    357,305.76x = 535,970.70 × 179,715.96
  4. Step 4: Simplify right side
    357,305.76x = 96,322,488,882.37
  5. Step 5: Solve for x
    x = 96,322,488,882.37/357,305.76
  6. Step 6: Final answer
    x = 269,580.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.