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Finding the Fourth Proportional to 317,632.35, 438,333.50 and 174,401.67

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Solution

The fourth proportional to 317,632.35, 438,333.50 and 174,401.67 is: 240,674.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,632.35 : 438,333.50 = 174,401.67 : x
  2. Step 2: Convert to fraction form
    317,632.35/438,333.50 = 174,401.67/x
  3. Step 3: Cross multiply
    317,632.35x = 438,333.50 × 174,401.67
  4. Step 4: Simplify right side
    317,632.35x = 76,446,093,544.94
  5. Step 5: Solve for x
    x = 76,446,093,544.94/317,632.35
  6. Step 6: Final answer
    x = 240,674.77

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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.