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Finding the Fourth Proportional to 266,829.84, 400,702.68 and 236,911.68

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Solution

The fourth proportional to 266,829.84, 400,702.68 and 236,911.68 is: 355,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,829.84 : 400,702.68 = 236,911.68 : x
  2. Step 2: Convert to fraction form
    266,829.84/400,702.68 = 236,911.68/x
  3. Step 3: Cross multiply
    266,829.84x = 400,702.68 × 236,911.68
  4. Step 4: Simplify right side
    266,829.84x = 94,931,145,099.30
  5. Step 5: Solve for x
    x = 94,931,145,099.30/266,829.84
  6. Step 6: Final answer
    x = 355,774.10

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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.