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Finding the Fourth Proportional to 670,972.94, 925,951.78 and 365,052.98

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Solution

The fourth proportional to 670,972.94, 925,951.78 and 365,052.98 is: 503,778.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,972.94 : 925,951.78 = 365,052.98 : x
  2. Step 2: Convert to fraction form
    670,972.94/925,951.78 = 365,052.98/x
  3. Step 3: Cross multiply
    670,972.94x = 925,951.78 × 365,052.98
  4. Step 4: Simplify right side
    670,972.94x = 338,021,453,161.31
  5. Step 5: Solve for x
    x = 338,021,453,161.31/670,972.94
  6. Step 6: Final answer
    x = 503,778.07

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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.