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Finding the Fourth Proportional to 380,010.30, 569,693.50 and 166,616.48

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Solution

The fourth proportional to 380,010.30, 569,693.50 and 166,616.48 is: 249,783.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,010.30 : 569,693.50 = 166,616.48 : x
  2. Step 2: Convert to fraction form
    380,010.30/569,693.50 = 166,616.48/x
  3. Step 3: Cross multiply
    380,010.30x = 569,693.50 × 166,616.48
  4. Step 4: Simplify right side
    380,010.30x = 94,920,325,648.88
  5. Step 5: Solve for x
    x = 94,920,325,648.88/380,010.30
  6. Step 6: Final answer
    x = 249,783.56

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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.