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Finding the Fourth Proportional to 954,439, 1,317,092.26 and 524,716

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Solution

The fourth proportional to 954,439, 1,317,092.26 and 524,716 is: 724,089.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,439 : 1,317,092.26 = 524,716 : x
  2. Step 2: Convert to fraction form
    954,439/1,317,092.26 = 524,716/x
  3. Step 3: Cross multiply
    954,439x = 1,317,092.26 × 524,716
  4. Step 4: Simplify right side
    954,439x = 691,099,382,298.16
  5. Step 5: Solve for x
    x = 691,099,382,298.16/954,439
  6. Step 6: Final answer
    x = 724,089.63

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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.