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Finding the Fourth Proportional to 504,026.45, 756,039.69 and 379,610.45

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Solution

The fourth proportional to 504,026.45, 756,039.69 and 379,610.45 is: 569,415.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,026.45 : 756,039.69 = 379,610.45 : x
  2. Step 2: Convert to fraction form
    504,026.45/756,039.69 = 379,610.45/x
  3. Step 3: Cross multiply
    504,026.45x = 756,039.69 × 379,610.45
  4. Step 4: Simplify right side
    504,026.45x = 287,000,565,040.71
  5. Step 5: Solve for x
    x = 287,000,565,040.71/504,026.45
  6. Step 6: Final answer
    x = 569,415.68

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Similar ratio
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1.5x scale

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.