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Finding the Fourth Proportional to 275,656.77, 380,447.48 and 168,289.04

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Solution

The fourth proportional to 275,656.77, 380,447.48 and 168,289.04 is: 232,263.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,656.77 : 380,447.48 = 168,289.04 : x
  2. Step 2: Convert to fraction form
    275,656.77/380,447.48 = 168,289.04/x
  3. Step 3: Cross multiply
    275,656.77x = 380,447.48 × 168,289.04
  4. Step 4: Simplify right side
    275,656.77x = 64,025,142,551.46
  5. Step 5: Solve for x
    x = 64,025,142,551.46/275,656.77
  6. Step 6: Final answer
    x = 232,263.99

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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.