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Finding the Fourth Proportional to 613,235, 846,277.26 and 344,963

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Solution

The fourth proportional to 613,235, 846,277.26 and 344,963 is: 476,056.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,235 : 846,277.26 = 344,963 : x
  2. Step 2: Convert to fraction form
    613,235/846,277.26 = 344,963/x
  3. Step 3: Cross multiply
    613,235x = 846,277.26 × 344,963
  4. Step 4: Simplify right side
    613,235x = 291,934,342,441.38
  5. Step 5: Solve for x
    x = 291,934,342,441.38/613,235
  6. Step 6: Final answer
    x = 476,056.23

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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.