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Finding the Fourth Proportional to 653,902.12, 902,468.82 and 367,422.76

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Solution

The fourth proportional to 653,902.12, 902,468.82 and 367,422.76 is: 507,090.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,902.12 : 902,468.82 = 367,422.76 : x
  2. Step 2: Convert to fraction form
    653,902.12/902,468.82 = 367,422.76/x
  3. Step 3: Cross multiply
    653,902.12x = 902,468.82 × 367,422.76
  4. Step 4: Simplify right side
    653,902.12x = 331,587,584,658.34
  5. Step 5: Solve for x
    x = 331,587,584,658.34/653,902.12
  6. Step 6: Final answer
    x = 507,090.55

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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.