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Finding the Fourth Proportional to 670,538.75, 925,348.28 and 364,612.94

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Solution

The fourth proportional to 670,538.75, 925,348.28 and 364,612.94 is: 503,168.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,538.75 : 925,348.28 = 364,612.94 : x
  2. Step 2: Convert to fraction form
    670,538.75/925,348.28 = 364,612.94/x
  3. Step 3: Cross multiply
    670,538.75x = 925,348.28 × 364,612.94
  4. Step 4: Simplify right side
    670,538.75x = 337,393,950,444.94
  5. Step 5: Solve for x
    x = 337,393,950,444.94/670,538.75
  6. Step 6: Final answer
    x = 503,168.46

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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.