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Finding the Fourth Proportional to 475,494.78, 656,172.42 and 260,630.22

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Solution

The fourth proportional to 475,494.78, 656,172.42 and 260,630.22 is: 359,664.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,494.78 : 656,172.42 = 260,630.22 : x
  2. Step 2: Convert to fraction form
    475,494.78/656,172.42 = 260,630.22/x
  3. Step 3: Cross multiply
    475,494.78x = 656,172.42 × 260,630.22
  4. Step 4: Simplify right side
    475,494.78x = 171,018,362,182.53
  5. Step 5: Solve for x
    x = 171,018,362,182.53/475,494.78
  6. Step 6: Final answer
    x = 359,664.02

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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.