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Finding the Fourth Proportional to 415,875.90, 623,379.69 and 301,747.98

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Solution

The fourth proportional to 415,875.90, 623,379.69 and 301,747.98 is: 452,306.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,875.90 : 623,379.69 = 301,747.98 : x
  2. Step 2: Convert to fraction form
    415,875.90/623,379.69 = 301,747.98/x
  3. Step 3: Cross multiply
    415,875.90x = 623,379.69 × 301,747.98
  4. Step 4: Simplify right side
    415,875.90x = 188,103,562,230.53
  5. Step 5: Solve for x
    x = 188,103,562,230.53/415,875.90
  6. Step 6: Final answer
    x = 452,306.96

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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.