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Finding the Fourth Proportional to 496,349.20, 744,523.80 and 307,392.40

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Solution

The fourth proportional to 496,349.20, 744,523.80 and 307,392.40 is: 461,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,349.20 : 744,523.80 = 307,392.40 : x
  2. Step 2: Convert to fraction form
    496,349.20/744,523.80 = 307,392.40/x
  3. Step 3: Cross multiply
    496,349.20x = 744,523.80 × 307,392.40
  4. Step 4: Simplify right side
    496,349.20x = 228,860,957,739.12
  5. Step 5: Solve for x
    x = 228,860,957,739.12/496,349.20
  6. Step 6: Final answer
    x = 461,088.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.