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Finding the Fourth Proportional to 415,000.14, 572,692.42 and 253,843.34

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Solution

The fourth proportional to 415,000.14, 572,692.42 and 253,843.34 is: 350,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,000.14 : 572,692.42 = 253,843.34 : x
  2. Step 2: Convert to fraction form
    415,000.14/572,692.42 = 253,843.34/x
  3. Step 3: Cross multiply
    415,000.14x = 572,692.42 × 253,843.34
  4. Step 4: Simplify right side
    415,000.14x = 145,374,156,685.48
  5. Step 5: Solve for x
    x = 145,374,156,685.48/415,000.14
  6. Step 6: Final answer
    x = 350,299.05

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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.