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Finding the Fourth Proportional to 508,924.43, 763,162.46 and 239,129.34

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Solution

The fourth proportional to 508,924.43, 763,162.46 and 239,129.34 is: 358,588.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,924.43 : 763,162.46 = 239,129.34 : x
  2. Step 2: Convert to fraction form
    508,924.43/763,162.46 = 239,129.34/x
  3. Step 3: Cross multiply
    508,924.43x = 763,162.46 × 239,129.34
  4. Step 4: Simplify right side
    508,924.43x = 182,494,534,176.93
  5. Step 5: Solve for x
    x = 182,494,534,176.93/508,924.43
  6. Step 6: Final answer
    x = 358,588.67

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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.