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Finding the Fourth Proportional to 475,603.79, 656,333.06 and 260,739.24

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Solution

The fourth proportional to 475,603.79, 656,333.06 and 260,739.24 is: 359,820.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,603.79 : 656,333.06 = 260,739.24 : x
  2. Step 2: Convert to fraction form
    475,603.79/656,333.06 = 260,739.24/x
  3. Step 3: Cross multiply
    475,603.79x = 656,333.06 × 260,739.24
  4. Step 4: Simplify right side
    475,603.79x = 171,131,781,947.58
  5. Step 5: Solve for x
    x = 171,131,781,947.58/475,603.79
  6. Step 6: Final answer
    x = 359,820.06

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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.