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Finding the Fourth Proportional to 654,167.76, 902,777.10 and 367,686.96

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Solution

The fourth proportional to 654,167.76, 902,777.10 and 367,686.96 is: 507,422.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,167.76 : 902,777.10 = 367,686.96 : x
  2. Step 2: Convert to fraction form
    654,167.76/902,777.10 = 367,686.96/x
  3. Step 3: Cross multiply
    654,167.76x = 902,777.10 × 367,686.96
  4. Step 4: Simplify right side
    654,167.76x = 331,939,367,456.62
  5. Step 5: Solve for x
    x = 331,939,367,456.62/654,167.76
  6. Step 6: Final answer
    x = 507,422.39

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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.