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Finding the Fourth Proportional to 291,846.80, 402,748.58 and 164,522.39

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Solution

The fourth proportional to 291,846.80, 402,748.58 and 164,522.39 is: 227,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,846.80 : 402,748.58 = 164,522.39 : x
  2. Step 2: Convert to fraction form
    291,846.80/402,748.58 = 164,522.39/x
  3. Step 3: Cross multiply
    291,846.80x = 402,748.58 × 164,522.39
  4. Step 4: Simplify right side
    291,846.80x = 66,261,159,151.01
  5. Step 5: Solve for x
    x = 66,261,159,151.01/291,846.80
  6. Step 6: Final answer
    x = 227,040.90

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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.