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Finding the Fourth Proportional to 542,824.20, 814,236.30 and 507,832.20

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Solution

The fourth proportional to 542,824.20, 814,236.30 and 507,832.20 is: 761,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,824.20 : 814,236.30 = 507,832.20 : x
  2. Step 2: Convert to fraction form
    542,824.20/814,236.30 = 507,832.20/x
  3. Step 3: Cross multiply
    542,824.20x = 814,236.30 × 507,832.20
  4. Step 4: Simplify right side
    542,824.20x = 413,495,411,548.86
  5. Step 5: Solve for x
    x = 413,495,411,548.86/542,824.20
  6. Step 6: Final answer
    x = 761,748.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.