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Finding the Fourth Proportional to 531,894.37, 734,010.74 and 302,451.67

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Solution

The fourth proportional to 531,894.37, 734,010.74 and 302,451.67 is: 417,381.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,894.37 : 734,010.74 = 302,451.67 : x
  2. Step 2: Convert to fraction form
    531,894.37/734,010.74 = 302,451.67/x
  3. Step 3: Cross multiply
    531,894.37x = 734,010.74 × 302,451.67
  4. Step 4: Simplify right side
    531,894.37x = 222,002,776,351.68
  5. Step 5: Solve for x
    x = 222,002,776,351.68/531,894.37
  6. Step 6: Final answer
    x = 417,381.32

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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.