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Finding the Fourth Proportional to 475,635.60, 656,362.91 and 260,768.32

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Solution

The fourth proportional to 475,635.60, 656,362.91 and 260,768.32 is: 359,852.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,635.60 : 656,362.91 = 260,768.32 : x
  2. Step 2: Convert to fraction form
    475,635.60/656,362.91 = 260,768.32/x
  3. Step 3: Cross multiply
    475,635.60x = 656,362.91 × 260,768.32
  4. Step 4: Simplify right side
    475,635.60x = 171,158,652,362.03
  5. Step 5: Solve for x
    x = 171,158,652,362.03/475,635.60
  6. Step 6: Final answer
    x = 359,852.48

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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.