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Finding the Fourth Proportional to 613,241.60, 846,272.08 and 344,969.60

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Solution

The fourth proportional to 613,241.60, 846,272.08 and 344,969.60 is: 476,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,241.60 : 846,272.08 = 344,969.60 : x
  2. Step 2: Convert to fraction form
    613,241.60/846,272.08 = 344,969.60/x
  3. Step 3: Cross multiply
    613,241.60x = 846,272.08 × 344,969.60
  4. Step 4: Simplify right side
    613,241.60x = 291,938,140,928.77
  5. Step 5: Solve for x
    x = 291,938,140,928.77/613,241.60
  6. Step 6: Final answer
    x = 476,057.30

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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.