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Finding the Fourth Proportional to 339,590.88, 509,211.28 and 152,442.08

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Solution

The fourth proportional to 339,590.88, 509,211.28 and 152,442.08 is: 228,584.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,590.88 : 509,211.28 = 152,442.08 : x
  2. Step 2: Convert to fraction form
    339,590.88/509,211.28 = 152,442.08/x
  3. Step 3: Cross multiply
    339,590.88x = 509,211.28 × 152,442.08
  4. Step 4: Simplify right side
    339,590.88x = 77,625,226,682.66
  5. Step 5: Solve for x
    x = 77,625,226,682.66/339,590.88
  6. Step 6: Final answer
    x = 228,584.54

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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.