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Finding the Fourth Proportional to 469,307.74, 703,544.11 and 169,721.72

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Solution

The fourth proportional to 469,307.74, 703,544.11 and 169,721.72 is: 254,431.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,307.74 : 703,544.11 = 169,721.72 : x
  2. Step 2: Convert to fraction form
    469,307.74/703,544.11 = 169,721.72/x
  3. Step 3: Cross multiply
    469,307.74x = 703,544.11 × 169,721.72
  4. Step 4: Simplify right side
    469,307.74x = 119,406,715,110.51
  5. Step 5: Solve for x
    x = 119,406,715,110.51/469,307.74
  6. Step 6: Final answer
    x = 254,431.59

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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.