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Finding the Fourth Proportional to 506,494.74, 759,782.11 and 169,536.65

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Solution

The fourth proportional to 506,494.74, 759,782.11 and 169,536.65 is: 254,318.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,494.74 : 759,782.11 = 169,536.65 : x
  2. Step 2: Convert to fraction form
    506,494.74/759,782.11 = 169,536.65/x
  3. Step 3: Cross multiply
    506,494.74x = 759,782.11 × 169,536.65
  4. Step 4: Simplify right side
    506,494.74x = 128,810,909,754.46
  5. Step 5: Solve for x
    x = 128,810,909,754.46/506,494.74
  6. Step 6: Final answer
    x = 254,318.36

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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.