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Finding the Fourth Proportional to 656,325.23, 905,723.45 and 365,933.34

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Solution

The fourth proportional to 656,325.23, 905,723.45 and 365,933.34 is: 504,985.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,325.23 : 905,723.45 = 365,933.34 : x
  2. Step 2: Convert to fraction form
    656,325.23/905,723.45 = 365,933.34/x
  3. Step 3: Cross multiply
    656,325.23x = 905,723.45 × 365,933.34
  4. Step 4: Simplify right side
    656,325.23x = 331,434,405,345.16
  5. Step 5: Solve for x
    x = 331,434,405,345.16/656,325.23
  6. Step 6: Final answer
    x = 504,985.02

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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.