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Finding the Fourth Proportional to 266,411.34, 367,647.96 and 145,554.66

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Solution

The fourth proportional to 266,411.34, 367,647.96 and 145,554.66 is: 200,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,411.34 : 367,647.96 = 145,554.66 : x
  2. Step 2: Convert to fraction form
    266,411.34/367,647.96 = 145,554.66/x
  3. Step 3: Cross multiply
    266,411.34x = 367,647.96 × 145,554.66
  4. Step 4: Simplify right side
    266,411.34x = 53,512,873,817.49
  5. Step 5: Solve for x
    x = 53,512,873,817.49/266,411.34
  6. Step 6: Final answer
    x = 200,865.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.