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Finding the Fourth Proportional to 676,237.50, 933,236.96 and 374,431.50

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Solution

The fourth proportional to 676,237.50, 933,236.96 and 374,431.50 is: 516,731.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,237.50 : 933,236.96 = 374,431.50 : x
  2. Step 2: Convert to fraction form
    676,237.50/933,236.96 = 374,431.50/x
  3. Step 3: Cross multiply
    676,237.50x = 933,236.96 × 374,431.50
  4. Step 4: Simplify right side
    676,237.50x = 349,433,314,788.24
  5. Step 5: Solve for x
    x = 349,433,314,788.24/676,237.50
  6. Step 6: Final answer
    x = 516,731.64

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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.