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Finding the Fourth Proportional to 305,820.63, 422,066.03 and 175,010.42

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Solution

The fourth proportional to 305,820.63, 422,066.03 and 175,010.42 is: 241,533.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,820.63 : 422,066.03 = 175,010.42 : x
  2. Step 2: Convert to fraction form
    305,820.63/422,066.03 = 175,010.42/x
  3. Step 3: Cross multiply
    305,820.63x = 422,066.03 × 175,010.42
  4. Step 4: Simplify right side
    305,820.63x = 73,865,953,358.15
  5. Step 5: Solve for x
    x = 73,865,953,358.15/305,820.63
  6. Step 6: Final answer
    x = 241,533.59

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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.