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Finding the Fourth Proportional to 484,644.26, 725,381.53 and 356,526.36

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Solution

The fourth proportional to 484,644.26, 725,381.53 and 356,526.36 is: 533,623.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,644.26 : 725,381.53 = 356,526.36 : x
  2. Step 2: Convert to fraction form
    484,644.26/725,381.53 = 356,526.36/x
  3. Step 3: Cross multiply
    484,644.26x = 725,381.53 × 356,526.36
  4. Step 4: Simplify right side
    484,644.26x = 258,617,635,610.82
  5. Step 5: Solve for x
    x = 258,617,635,610.82/484,644.26
  6. Step 6: Final answer
    x = 533,623.64

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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.