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Finding the Fourth Proportional to 475,427.28, 656,094.78 and 260,562.72

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Solution

The fourth proportional to 475,427.28, 656,094.78 and 260,562.72 is: 359,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,427.28 : 656,094.78 = 260,562.72 : x
  2. Step 2: Convert to fraction form
    475,427.28/656,094.78 = 260,562.72/x
  3. Step 3: Cross multiply
    475,427.28x = 656,094.78 × 260,562.72
  4. Step 4: Simplify right side
    475,427.28x = 170,953,840,454.60
  5. Step 5: Solve for x
    x = 170,953,840,454.60/475,427.28
  6. Step 6: Final answer
    x = 359,579.37

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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.