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Finding the Fourth Proportional to 673,565.01, 929,519.73 and 459,079.79

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Solution

The fourth proportional to 673,565.01, 929,519.73 and 459,079.79 is: 633,530.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,565.01 : 929,519.73 = 459,079.79 : x
  2. Step 2: Convert to fraction form
    673,565.01/929,519.73 = 459,079.79/x
  3. Step 3: Cross multiply
    673,565.01x = 929,519.73 × 459,079.79
  4. Step 4: Simplify right side
    673,565.01x = 426,723,717,801.66
  5. Step 5: Solve for x
    x = 426,723,717,801.66/673,565.01
  6. Step 6: Final answer
    x = 633,530.11

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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.