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Finding the Fourth Proportional to 231,460.20, 346,412.70 and 161,476.20

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Solution

The fourth proportional to 231,460.20, 346,412.70 and 161,476.20 is: 241,671.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,460.20 : 346,412.70 = 161,476.20 : x
  2. Step 2: Convert to fraction form
    231,460.20/346,412.70 = 161,476.20/x
  3. Step 3: Cross multiply
    231,460.20x = 346,412.70 × 161,476.20
  4. Step 4: Simplify right side
    231,460.20x = 55,937,406,427.74
  5. Step 5: Solve for x
    x = 55,937,406,427.74/231,460.20
  6. Step 6: Final answer
    x = 241,671.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.