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Finding the Fourth Proportional to 633,510.75, 873,544.28 and 403,704

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Solution

The fourth proportional to 633,510.75, 873,544.28 and 403,704 is: 556,665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,510.75 : 873,544.28 = 403,704 : x
  2. Step 2: Convert to fraction form
    633,510.75/873,544.28 = 403,704/x
  3. Step 3: Cross multiply
    633,510.75x = 873,544.28 × 403,704
  4. Step 4: Simplify right side
    633,510.75x = 352,653,320,013.12
  5. Step 5: Solve for x
    x = 352,653,320,013.12/633,510.75
  6. Step 6: Final answer
    x = 556,665.09

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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.