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Finding the Fourth Proportional to 432,817.56, 652,180.63 and 355,660.20

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Solution

The fourth proportional to 432,817.56, 652,180.63 and 355,660.20 is: 535,917.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,817.56 : 652,180.63 = 355,660.20 : x
  2. Step 2: Convert to fraction form
    432,817.56/652,180.63 = 355,660.20/x
  3. Step 3: Cross multiply
    432,817.56x = 652,180.63 × 355,660.20
  4. Step 4: Simplify right side
    432,817.56x = 231,954,693,301.93
  5. Step 5: Solve for x
    x = 231,954,693,301.93/432,817.56
  6. Step 6: Final answer
    x = 535,917.94

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1.5x scale

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.