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Finding the Fourth Proportional to 256,650.04, 354,171.18 and 143,483.32

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Solution

The fourth proportional to 256,650.04, 354,171.18 and 143,483.32 is: 198,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,650.04 : 354,171.18 = 143,483.32 : x
  2. Step 2: Convert to fraction form
    256,650.04/354,171.18 = 143,483.32/x
  3. Step 3: Cross multiply
    256,650.04x = 354,171.18 × 143,483.32
  4. Step 4: Simplify right side
    256,650.04x = 50,817,656,754.72
  5. Step 5: Solve for x
    x = 50,817,656,754.72/256,650.04
  6. Step 6: Final answer
    x = 198,003.70

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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.