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Finding the Fourth Proportional to 504,039.50, 756,080.51 and 234,420.67

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Solution

The fourth proportional to 504,039.50, 756,080.51 and 234,420.67 is: 351,640.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,039.50 : 756,080.51 = 234,420.67 : x
  2. Step 2: Convert to fraction form
    504,039.50/756,080.51 = 234,420.67/x
  3. Step 3: Cross multiply
    504,039.50x = 756,080.51 × 234,420.67
  4. Step 4: Simplify right side
    504,039.50x = 177,240,899,728.14
  5. Step 5: Solve for x
    x = 177,240,899,728.14/504,039.50
  6. Step 6: Final answer
    x = 351,640.89

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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.