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Finding the Fourth Proportional to 614,433.90, 921,552.04 and 259,401.79

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Solution

The fourth proportional to 614,433.90, 921,552.04 and 259,401.79 is: 389,060.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,433.90 : 921,552.04 = 259,401.79 : x
  2. Step 2: Convert to fraction form
    614,433.90/921,552.04 = 259,401.79/x
  3. Step 3: Cross multiply
    614,433.90x = 921,552.04 × 259,401.79
  4. Step 4: Simplify right side
    614,433.90x = 239,052,248,771.21
  5. Step 5: Solve for x
    x = 239,052,248,771.21/614,433.90
  6. Step 6: Final answer
    x = 389,060.97

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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.