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Finding the Fourth Proportional to 549,484.97, 758,659.52 and 343,067.94

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Solution

The fourth proportional to 549,484.97, 758,659.52 and 343,067.94 is: 473,664.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,484.97 : 758,659.52 = 343,067.94 : x
  2. Step 2: Convert to fraction form
    549,484.97/758,659.52 = 343,067.94/x
  3. Step 3: Cross multiply
    549,484.97x = 758,659.52 × 343,067.94
  4. Step 4: Simplify right side
    549,484.97x = 260,271,759,545.46
  5. Step 5: Solve for x
    x = 260,271,759,545.46/549,484.97
  6. Step 6: Final answer
    x = 473,664.93

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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.