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Finding the Fourth Proportional to 469,951.32, 648,533.32 and 255,091.34

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Solution

The fourth proportional to 469,951.32, 648,533.32 and 255,091.34 is: 352,026.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,951.32 : 648,533.32 = 255,091.34 : x
  2. Step 2: Convert to fraction form
    469,951.32/648,533.32 = 255,091.34/x
  3. Step 3: Cross multiply
    469,951.32x = 648,533.32 × 255,091.34
  4. Step 4: Simplify right side
    469,951.32x = 165,435,233,633.45
  5. Step 5: Solve for x
    x = 165,435,233,633.45/469,951.32
  6. Step 6: Final answer
    x = 352,026.32

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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.