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Finding the Fourth Proportional to 432,076.80, 596,584.80 and 262,538.40

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Solution

The fourth proportional to 432,076.80, 596,584.80 and 262,538.40 is: 362,496.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,076.80 : 596,584.80 = 262,538.40 : x
  2. Step 2: Convert to fraction form
    432,076.80/596,584.80 = 262,538.40/x
  3. Step 3: Cross multiply
    432,076.80x = 596,584.80 × 262,538.40
  4. Step 4: Simplify right side
    432,076.80x = 156,626,418,856.32
  5. Step 5: Solve for x
    x = 156,626,418,856.32/432,076.80
  6. Step 6: Final answer
    x = 362,496.71

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1.5x scale

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.