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Finding the Fourth Proportional to 309,082.96, 426,505.80 and 174,946.96

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Solution

The fourth proportional to 309,082.96, 426,505.80 and 174,946.96 is: 241,410.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,082.96 : 426,505.80 = 174,946.96 : x
  2. Step 2: Convert to fraction form
    309,082.96/426,505.80 = 174,946.96/x
  3. Step 3: Cross multiply
    309,082.96x = 426,505.80 × 174,946.96
  4. Step 4: Simplify right side
    309,082.96x = 74,615,893,132.37
  5. Step 5: Solve for x
    x = 74,615,893,132.37/309,082.96
  6. Step 6: Final answer
    x = 241,410.57

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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.