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Finding the Fourth Proportional to 613,150.40, 846,175.20 and 344,878.40

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Solution

The fourth proportional to 613,150.40, 846,175.20 and 344,878.40 is: 475,947.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,150.40 : 846,175.20 = 344,878.40 : x
  2. Step 2: Convert to fraction form
    613,150.40/846,175.20 = 344,878.40/x
  3. Step 3: Cross multiply
    613,150.40x = 846,175.20 × 344,878.40
  4. Step 4: Simplify right side
    613,150.40x = 291,827,549,095.68
  5. Step 5: Solve for x
    x = 291,827,549,095.68/613,150.40
  6. Step 6: Final answer
    x = 475,947.74

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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.