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Finding the Fourth Proportional to 532,379.78, 798,684.49 and 153,297.96

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Solution

The fourth proportional to 532,379.78, 798,684.49 and 153,297.96 is: 229,980.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,379.78 : 798,684.49 = 153,297.96 : x
  2. Step 2: Convert to fraction form
    532,379.78/798,684.49 = 153,297.96/x
  3. Step 3: Cross multiply
    532,379.78x = 798,684.49 × 153,297.96
  4. Step 4: Simplify right side
    532,379.78x = 122,436,703,000.64
  5. Step 5: Solve for x
    x = 122,436,703,000.64/532,379.78
  6. Step 6: Final answer
    x = 229,980.00

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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.