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Finding the Fourth Proportional to 374,250.54, 516,465.60 and 202,168.46

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Solution

The fourth proportional to 374,250.54, 516,465.60 and 202,168.46 is: 278,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,250.54 : 516,465.60 = 202,168.46 : x
  2. Step 2: Convert to fraction form
    374,250.54/516,465.60 = 202,168.46/x
  3. Step 3: Cross multiply
    374,250.54x = 516,465.60 × 202,168.46
  4. Step 4: Simplify right side
    374,250.54x = 104,413,054,994.98
  5. Step 5: Solve for x
    x = 104,413,054,994.98/374,250.54
  6. Step 6: Final answer
    x = 278,992.40

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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.