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Finding the Fourth Proportional to 627,741.84, 866,273.46 and 341,269.14

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Solution

The fourth proportional to 627,741.84, 866,273.46 and 341,269.14 is: 470,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,741.84 : 866,273.46 = 341,269.14 : x
  2. Step 2: Convert to fraction form
    627,741.84/866,273.46 = 341,269.14/x
  3. Step 3: Cross multiply
    627,741.84x = 866,273.46 × 341,269.14
  4. Step 4: Simplify right side
    627,741.84x = 295,632,398,699.02
  5. Step 5: Solve for x
    x = 295,632,398,699.02/627,741.84
  6. Step 6: Final answer
    x = 470,945.82

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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.