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Finding the Fourth Proportional to 523,250.40, 722,060.40 and 293,779.44

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Solution

The fourth proportional to 523,250.40, 722,060.40 and 293,779.44 is: 405,401.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,250.40 : 722,060.40 = 293,779.44 : x
  2. Step 2: Convert to fraction form
    523,250.40/722,060.40 = 293,779.44/x
  3. Step 3: Cross multiply
    523,250.40x = 722,060.40 × 293,779.44
  4. Step 4: Simplify right side
    523,250.40x = 212,126,499,958.18
  5. Step 5: Solve for x
    x = 212,126,499,958.18/523,250.40
  6. Step 6: Final answer
    x = 405,401.51

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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.