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Finding the Fourth Proportional to 302,663.76, 417,670.84 and 166,710.44

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Solution

The fourth proportional to 302,663.76, 417,670.84 and 166,710.44 is: 230,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,663.76 : 417,670.84 = 166,710.44 : x
  2. Step 2: Convert to fraction form
    302,663.76/417,670.84 = 166,710.44/x
  3. Step 3: Cross multiply
    302,663.76x = 417,670.84 × 166,710.44
  4. Step 4: Simplify right side
    302,663.76x = 69,630,089,511.57
  5. Step 5: Solve for x
    x = 69,630,089,511.57/302,663.76
  6. Step 6: Final answer
    x = 230,057.57

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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.