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Finding the Fourth Proportional to 529,767.85, 795,005.11 and 192,808.40

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Solution

The fourth proportional to 529,767.85, 795,005.11 and 192,808.40 is: 289,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,767.85 : 795,005.11 = 192,808.40 : x
  2. Step 2: Convert to fraction form
    529,767.85/795,005.11 = 192,808.40/x
  3. Step 3: Cross multiply
    529,767.85x = 795,005.11 × 192,808.40
  4. Step 4: Simplify right side
    529,767.85x = 153,283,662,286.88
  5. Step 5: Solve for x
    x = 153,283,662,286.88/529,767.85
  6. Step 6: Final answer
    x = 289,341.20

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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.