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Finding the Fourth Proportional to 293,485.44, 405,011.52 and 159,349.44

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Solution

The fourth proportional to 293,485.44, 405,011.52 and 159,349.44 is: 219,903.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,485.44 : 405,011.52 = 159,349.44 : x
  2. Step 2: Convert to fraction form
    293,485.44/405,011.52 = 159,349.44/x
  3. Step 3: Cross multiply
    293,485.44x = 405,011.52 × 159,349.44
  4. Step 4: Simplify right side
    293,485.44x = 64,538,358,905.55
  5. Step 5: Solve for x
    x = 64,538,358,905.55/293,485.44
  6. Step 6: Final answer
    x = 219,903.10

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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.