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Finding the Fourth Proportional to 954,388, 1,317,063.54 and 524,658.70

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Solution

The fourth proportional to 954,388, 1,317,063.54 and 524,658.70 is: 724,033.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,388 : 1,317,063.54 = 524,658.70 : x
  2. Step 2: Convert to fraction form
    954,388/1,317,063.54 = 524,658.70/x
  3. Step 3: Cross multiply
    954,388x = 1,317,063.54 × 524,658.70
  4. Step 4: Simplify right side
    954,388x = 691,008,844,713.80
  5. Step 5: Solve for x
    x = 691,008,844,713.80/954,388
  6. Step 6: Final answer
    x = 724,033.46

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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.