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Finding the Fourth Proportional to 626,241.84, 938,118.60 and 345,061.68

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Solution

The fourth proportional to 626,241.84, 938,118.60 and 345,061.68 is: 516,906.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,241.84 : 938,118.60 = 345,061.68 : x
  2. Step 2: Convert to fraction form
    626,241.84/938,118.60 = 345,061.68/x
  3. Step 3: Cross multiply
    626,241.84x = 938,118.60 × 345,061.68
  4. Step 4: Simplify right side
    626,241.84x = 323,708,780,155.25
  5. Step 5: Solve for x
    x = 323,708,780,155.25/626,241.84
  6. Step 6: Final answer
    x = 516,906.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.