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Finding the Fourth Proportional to 452,813.06, 679,744.48 and 242,861.06

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Solution

The fourth proportional to 452,813.06, 679,744.48 and 242,861.06 is: 364,573.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,813.06 : 679,744.48 = 242,861.06 : x
  2. Step 2: Convert to fraction form
    452,813.06/679,744.48 = 242,861.06/x
  3. Step 3: Cross multiply
    452,813.06x = 679,744.48 × 242,861.06
  4. Step 4: Simplify right side
    452,813.06x = 165,083,464,941.95
  5. Step 5: Solve for x
    x = 165,083,464,941.95/452,813.06
  6. Step 6: Final answer
    x = 364,573.11

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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.