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Finding the Fourth Proportional to 613,210.60, 846,229.38 and 344,938.60

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Solution

The fourth proportional to 613,210.60, 846,229.38 and 344,938.60 is: 476,014.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,210.60 : 846,229.38 = 344,938.60 : x
  2. Step 2: Convert to fraction form
    613,210.60/846,229.38 = 344,938.60/x
  3. Step 3: Cross multiply
    613,210.60x = 846,229.38 × 344,938.60
  4. Step 4: Simplify right side
    613,210.60x = 291,897,177,616.07
  5. Step 5: Solve for x
    x = 291,897,177,616.07/613,210.60
  6. Step 6: Final answer
    x = 476,014.57

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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.