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Finding the Fourth Proportional to 556,325.37, 767,827.30 and 326,882.61

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Solution

The fourth proportional to 556,325.37, 767,827.30 and 326,882.61 is: 451,155.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,325.37 : 767,827.30 = 326,882.61 : x
  2. Step 2: Convert to fraction form
    556,325.37/767,827.30 = 326,882.61/x
  3. Step 3: Cross multiply
    556,325.37x = 767,827.30 × 326,882.61
  4. Step 4: Simplify right side
    556,325.37x = 250,989,386,379.70
  5. Step 5: Solve for x
    x = 250,989,386,379.70/556,325.37
  6. Step 6: Final answer
    x = 451,155.75

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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.