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Finding the Fourth Proportional to 893,386.80, 1,339,950.60 and 262,234.80

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Solution

The fourth proportional to 893,386.80, 1,339,950.60 and 262,234.80 is: 393,314.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,386.80 : 1,339,950.60 = 262,234.80 : x
  2. Step 2: Convert to fraction form
    893,386.80/1,339,950.60 = 262,234.80/x
  3. Step 3: Cross multiply
    893,386.80x = 1,339,950.60 × 262,234.80
  4. Step 4: Simplify right side
    893,386.80x = 351,381,677,600.88
  5. Step 5: Solve for x
    x = 351,381,677,600.88/893,386.80
  6. Step 6: Final answer
    x = 393,314.16

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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.