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Finding the Fourth Proportional to 475,583.40, 656,297.64 and 260,725.23

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Solution

The fourth proportional to 475,583.40, 656,297.64 and 260,725.23 is: 359,796.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,583.40 : 656,297.64 = 260,725.23 : x
  2. Step 2: Convert to fraction form
    475,583.40/656,297.64 = 260,725.23/x
  3. Step 3: Cross multiply
    475,583.40x = 656,297.64 × 260,725.23
  4. Step 4: Simplify right side
    475,583.40x = 171,113,353,137.46
  5. Step 5: Solve for x
    x = 171,113,353,137.46/475,583.40
  6. Step 6: Final answer
    x = 359,796.73

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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.