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Finding the Fourth Proportional to 496,368.72, 743,888.88 and 243,262.08

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Solution

The fourth proportional to 496,368.72, 743,888.88 and 243,262.08 is: 364,567.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,368.72 : 743,888.88 = 243,262.08 : x
  2. Step 2: Convert to fraction form
    496,368.72/743,888.88 = 243,262.08/x
  3. Step 3: Cross multiply
    496,368.72x = 743,888.88 × 243,262.08
  4. Step 4: Simplify right side
    496,368.72x = 180,959,956,237.67
  5. Step 5: Solve for x
    x = 180,959,956,237.67/496,368.72
  6. Step 6: Final answer
    x = 364,567.61

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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.