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Finding the Fourth Proportional to 403,637.04, 605,433 and 123,132.24

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Solution

The fourth proportional to 403,637.04, 605,433 and 123,132.24 is: 184,691.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,637.04 : 605,433 = 123,132.24 : x
  2. Step 2: Convert to fraction form
    403,637.04/605,433 = 123,132.24/x
  3. Step 3: Cross multiply
    403,637.04x = 605,433 × 123,132.24
  4. Step 4: Simplify right side
    403,637.04x = 74,548,321,459.92
  5. Step 5: Solve for x
    x = 74,548,321,459.92/403,637.04
  6. Step 6: Final answer
    x = 184,691.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.