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Finding the Fourth Proportional to 473,066.86, 709,913.69 and 259,983.58

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Solution

The fourth proportional to 473,066.86, 709,913.69 and 259,983.58 is: 390,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,066.86 : 709,913.69 = 259,983.58 : x
  2. Step 2: Convert to fraction form
    473,066.86/709,913.69 = 259,983.58/x
  3. Step 3: Cross multiply
    473,066.86x = 709,913.69 × 259,983.58
  4. Step 4: Simplify right side
    473,066.86x = 184,565,899,067.64
  5. Step 5: Solve for x
    x = 184,565,899,067.64/473,066.86
  6. Step 6: Final answer
    x = 390,147.60

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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.