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Finding the Fourth Proportional to 403,268.40, 604,643.40 and 166,705.20

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Solution

The fourth proportional to 403,268.40, 604,643.40 and 166,705.20 is: 249,950.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,268.40 : 604,643.40 = 166,705.20 : x
  2. Step 2: Convert to fraction form
    403,268.40/604,643.40 = 166,705.20/x
  3. Step 3: Cross multiply
    403,268.40x = 604,643.40 × 166,705.20
  4. Step 4: Simplify right side
    403,268.40x = 100,797,198,925.68
  5. Step 5: Solve for x
    x = 100,797,198,925.68/403,268.40
  6. Step 6: Final answer
    x = 249,950.65

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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.