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Finding the Fourth Proportional to 954,405.69, 1,317,105 and 524,696.64

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Solution

The fourth proportional to 954,405.69, 1,317,105 and 524,696.64 is: 724,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,405.69 : 1,317,105 = 524,696.64 : x
  2. Step 2: Convert to fraction form
    954,405.69/1,317,105 = 524,696.64/x
  3. Step 3: Cross multiply
    954,405.69x = 1,317,105 × 524,696.64
  4. Step 4: Simplify right side
    954,405.69x = 691,080,568,027.20
  5. Step 5: Solve for x
    x = 691,080,568,027.20/954,405.69
  6. Step 6: Final answer
    x = 724,095.19

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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.