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Finding the Fourth Proportional to 296,885.70, 415,115.10 and 296,885.70

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Solution

The fourth proportional to 296,885.70, 415,115.10 and 296,885.70 is: 415,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,885.70 : 415,115.10 = 296,885.70 : x
  2. Step 2: Convert to fraction form
    296,885.70/415,115.10 = 296,885.70/x
  3. Step 3: Cross multiply
    296,885.70x = 415,115.10 × 296,885.70
  4. Step 4: Simplify right side
    296,885.70x = 123,241,737,044.07
  5. Step 5: Solve for x
    x = 123,241,737,044.07/296,885.70
  6. Step 6: Final answer
    x = 415,115.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.