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Finding the Fourth Proportional to 670,548.20, 925,351.45 and 364,624.76

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Solution

The fourth proportional to 670,548.20, 925,351.45 and 364,624.76 is: 503,179.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,548.20 : 925,351.45 = 364,624.76 : x
  2. Step 2: Convert to fraction form
    670,548.20/925,351.45 = 364,624.76/x
  3. Step 3: Cross multiply
    670,548.20x = 925,351.45 × 364,624.76
  4. Step 4: Simplify right side
    670,548.20x = 337,406,051,773.72
  5. Step 5: Solve for x
    x = 337,406,051,773.72/670,548.20
  6. Step 6: Final answer
    x = 503,179.42

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Half scale
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Double scale
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Similar ratio
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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.