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Finding the Fourth Proportional to 676,273.50, 933,286.59 and 374,467.50

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Solution

The fourth proportional to 676,273.50, 933,286.59 and 374,467.50 is: 516,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,273.50 : 933,286.59 = 374,467.50 : x
  2. Step 2: Convert to fraction form
    676,273.50/933,286.59 = 374,467.50/x
  3. Step 3: Cross multiply
    676,273.50x = 933,286.59 × 374,467.50
  4. Step 4: Simplify right side
    676,273.50x = 349,485,496,140.83
  5. Step 5: Solve for x
    x = 349,485,496,140.83/676,273.50
  6. Step 6: Final answer
    x = 516,781.30

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1.5x scale

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.