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Finding the Fourth Proportional to 432,817.19, 652,180.07 and 355,659.83

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Solution

The fourth proportional to 432,817.19, 652,180.07 and 355,659.83 is: 535,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,817.19 : 652,180.07 = 355,659.83 : x
  2. Step 2: Convert to fraction form
    432,817.19/652,180.07 = 355,659.83/x
  3. Step 3: Cross multiply
    432,817.19x = 652,180.07 × 355,659.83
  4. Step 4: Simplify right side
    432,817.19x = 231,954,249,564.69
  5. Step 5: Solve for x
    x = 231,954,249,564.69/432,817.19
  6. Step 6: Final answer
    x = 535,917.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.