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Finding the Fourth Proportional to 469,961.44, 648,544.64 and 255,099.76

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Solution

The fourth proportional to 469,961.44, 648,544.64 and 255,099.76 is: 352,036.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,961.44 : 648,544.64 = 255,099.76 : x
  2. Step 2: Convert to fraction form
    469,961.44/648,544.64 = 255,099.76/x
  3. Step 3: Cross multiply
    469,961.44x = 648,544.64 × 255,099.76
  4. Step 4: Simplify right side
    469,961.44x = 165,443,582,013.29
  5. Step 5: Solve for x
    x = 165,443,582,013.29/469,961.44
  6. Step 6: Final answer
    x = 352,036.50

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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.