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Finding the Fourth Proportional to 481,165.65, 720,310.50 and 291,050.67

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Solution

The fourth proportional to 481,165.65, 720,310.50 and 291,050.67 is: 435,706.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,165.65 : 720,310.50 = 291,050.67 : x
  2. Step 2: Convert to fraction form
    481,165.65/720,310.50 = 291,050.67/x
  3. Step 3: Cross multiply
    481,165.65x = 720,310.50 × 291,050.67
  4. Step 4: Simplify right side
    481,165.65x = 209,646,853,633.04
  5. Step 5: Solve for x
    x = 209,646,853,633.04/481,165.65
  6. Step 6: Final answer
    x = 435,706.19

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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.