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Finding the Fourth Proportional to 670,748.28, 925,638.44 and 364,827.12

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Solution

The fourth proportional to 670,748.28, 925,638.44 and 364,827.12 is: 503,464.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,748.28 : 925,638.44 = 364,827.12 : x
  2. Step 2: Convert to fraction form
    670,748.28/925,638.44 = 364,827.12/x
  3. Step 3: Cross multiply
    670,748.28x = 925,638.44 × 364,827.12
  4. Step 4: Simplify right side
    670,748.28x = 337,698,006,226.49
  5. Step 5: Solve for x
    x = 337,698,006,226.49/670,748.28
  6. Step 6: Final answer
    x = 503,464.59

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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.