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Finding the Fourth Proportional to 613,160.40, 846,189 and 344,888.40

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Solution

The fourth proportional to 613,160.40, 846,189 and 344,888.40 is: 475,961.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,160.40 : 846,189 = 344,888.40 : x
  2. Step 2: Convert to fraction form
    613,160.40/846,189 = 344,888.40/x
  3. Step 3: Cross multiply
    613,160.40x = 846,189 × 344,888.40
  4. Step 4: Simplify right side
    613,160.40x = 291,840,770,307.60
  5. Step 5: Solve for x
    x = 291,840,770,307.60/613,160.40
  6. Step 6: Final answer
    x = 475,961.54

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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.