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Finding the Fourth Proportional to 587,652.15, 810,948.38 and 342,682.59

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Solution

The fourth proportional to 587,652.15, 810,948.38 and 342,682.59 is: 472,895.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,652.15 : 810,948.38 = 342,682.59 : x
  2. Step 2: Convert to fraction form
    587,652.15/810,948.38 = 342,682.59/x
  3. Step 3: Cross multiply
    587,652.15x = 810,948.38 × 342,682.59
  4. Step 4: Simplify right side
    587,652.15x = 277,897,889,501.29
  5. Step 5: Solve for x
    x = 277,897,889,501.29/587,652.15
  6. Step 6: Final answer
    x = 472,895.21

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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.