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Finding the Fourth Proportional to 432,824.43, 652,191 and 355,667.07

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Solution

The fourth proportional to 432,824.43, 652,191 and 355,667.07 is: 535,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,824.43 : 652,191 = 355,667.07 : x
  2. Step 2: Convert to fraction form
    432,824.43/652,191 = 355,667.07/x
  3. Step 3: Cross multiply
    432,824.43x = 652,191 × 355,667.07
  4. Step 4: Simplify right side
    432,824.43x = 231,962,862,050.37
  5. Step 5: Solve for x
    x = 231,962,862,050.37/432,824.43
  6. Step 6: Final answer
    x = 535,928.30

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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.