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Finding the Fourth Proportional to 613,271.60, 846,313.56 and 344,999.60

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Solution

The fourth proportional to 613,271.60, 846,313.56 and 344,999.60 is: 476,098.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,271.60 : 846,313.56 = 344,999.60 : x
  2. Step 2: Convert to fraction form
    613,271.60/846,313.56 = 344,999.60/x
  3. Step 3: Cross multiply
    613,271.60x = 846,313.56 × 344,999.60
  4. Step 4: Simplify right side
    613,271.60x = 291,977,839,674.58
  5. Step 5: Solve for x
    x = 291,977,839,674.58/613,271.60
  6. Step 6: Final answer
    x = 476,098.75

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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.