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Finding the Fourth Proportional to 475,610.15, 656,341.85 and 260,745.60

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Solution

The fourth proportional to 475,610.15, 656,341.85 and 260,745.60 is: 359,828.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,610.15 : 656,341.85 = 260,745.60 : x
  2. Step 2: Convert to fraction form
    475,610.15/656,341.85 = 260,745.60/x
  3. Step 3: Cross multiply
    475,610.15x = 656,341.85 × 260,745.60
  4. Step 4: Simplify right side
    475,610.15x = 171,138,252,596.51
  5. Step 5: Solve for x
    x = 171,138,252,596.51/475,610.15
  6. Step 6: Final answer
    x = 359,828.85

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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.