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Finding the Fourth Proportional to 613,235.25, 846,277.61 and 344,963.25

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Solution

The fourth proportional to 613,235.25, 846,277.61 and 344,963.25 is: 476,056.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,235.25 : 846,277.61 = 344,963.25 : x
  2. Step 2: Convert to fraction form
    613,235.25/846,277.61 = 344,963.25/x
  3. Step 3: Cross multiply
    613,235.25x = 846,277.61 × 344,963.25
  4. Step 4: Simplify right side
    613,235.25x = 291,934,673,023.02
  5. Step 5: Solve for x
    x = 291,934,673,023.02/613,235.25
  6. Step 6: Final answer
    x = 476,056.58

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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.