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Finding the Fourth Proportional to 475,110.72, 655,624.80 and 260,208

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Solution

The fourth proportional to 475,110.72, 655,624.80 and 260,208 is: 359,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,110.72 : 655,624.80 = 260,208 : x
  2. Step 2: Convert to fraction form
    475,110.72/655,624.80 = 260,208/x
  3. Step 3: Cross multiply
    475,110.72x = 655,624.80 × 260,208
  4. Step 4: Simplify right side
    475,110.72x = 170,598,817,958.40
  5. Step 5: Solve for x
    x = 170,598,817,958.40/475,110.72
  6. Step 6: Final answer
    x = 359,071.71

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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.