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Finding the Fourth Proportional to 403,279.68, 604,919.52 and 122,796.93

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Solution

The fourth proportional to 403,279.68, 604,919.52 and 122,796.93 is: 184,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,279.68 : 604,919.52 = 122,796.93 : x
  2. Step 2: Convert to fraction form
    403,279.68/604,919.52 = 122,796.93/x
  3. Step 3: Cross multiply
    403,279.68x = 604,919.52 × 122,796.93
  4. Step 4: Simplify right side
    403,279.68x = 74,282,259,953.07
  5. Step 5: Solve for x
    x = 74,282,259,953.07/403,279.68
  6. Step 6: Final answer
    x = 184,195.40

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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.