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Finding the Fourth Proportional to 539,079.51, 744,168.84 and 348,186

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Solution

The fourth proportional to 539,079.51, 744,168.84 and 348,186 is: 480,651.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,079.51 : 744,168.84 = 348,186 : x
  2. Step 2: Convert to fraction form
    539,079.51/744,168.84 = 348,186/x
  3. Step 3: Cross multiply
    539,079.51x = 744,168.84 × 348,186
  4. Step 4: Simplify right side
    539,079.51x = 259,109,171,724.24
  5. Step 5: Solve for x
    x = 259,109,171,724.24/539,079.51
  6. Step 6: Final answer
    x = 480,651.12

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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.