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Finding the Fourth Proportional to 587,089.66, 879,369.19 and 396,502.01

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Solution

The fourth proportional to 587,089.66, 879,369.19 and 396,502.01 is: 593,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,089.66 : 879,369.19 = 396,502.01 : x
  2. Step 2: Convert to fraction form
    587,089.66/879,369.19 = 396,502.01/x
  3. Step 3: Cross multiply
    587,089.66x = 879,369.19 × 396,502.01
  4. Step 4: Simplify right side
    587,089.66x = 348,671,644,987.72
  5. Step 5: Solve for x
    x = 348,671,644,987.72/587,089.66
  6. Step 6: Final answer
    x = 593,898.46

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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.