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Finding the Fourth Proportional to 424,702.86, 637,059.33 and 144,241.98

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Solution

The fourth proportional to 424,702.86, 637,059.33 and 144,241.98 is: 216,364.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,702.86 : 637,059.33 = 144,241.98 : x
  2. Step 2: Convert to fraction form
    424,702.86/637,059.33 = 144,241.98/x
  3. Step 3: Cross multiply
    424,702.86x = 637,059.33 × 144,241.98
  4. Step 4: Simplify right side
    424,702.86x = 91,890,699,136.67
  5. Step 5: Solve for x
    x = 91,890,699,136.67/424,702.86
  6. Step 6: Final answer
    x = 216,364.68

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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.