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Finding the Fourth Proportional to 670,538.25, 925,347.59 and 364,612.44

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Solution

The fourth proportional to 670,538.25, 925,347.59 and 364,612.44 is: 503,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,538.25 : 925,347.59 = 364,612.44 : x
  2. Step 2: Convert to fraction form
    670,538.25/925,347.59 = 364,612.44/x
  3. Step 3: Cross multiply
    670,538.25x = 925,347.59 × 364,612.44
  4. Step 4: Simplify right side
    670,538.25x = 337,393,242,638.02
  5. Step 5: Solve for x
    x = 337,393,242,638.02/670,538.25
  6. Step 6: Final answer
    x = 503,167.78

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Double scale
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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.