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Finding the Fourth Proportional to 256,994.64, 354,763.80 and 193,348.08

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Solution

The fourth proportional to 256,994.64, 354,763.80 and 193,348.08 is: 266,904.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,994.64 : 354,763.80 = 193,348.08 : x
  2. Step 2: Convert to fraction form
    256,994.64/354,763.80 = 193,348.08/x
  3. Step 3: Cross multiply
    256,994.64x = 354,763.80 × 193,348.08
  4. Step 4: Simplify right side
    256,994.64x = 68,592,899,583.50
  5. Step 5: Solve for x
    x = 68,592,899,583.50/256,994.64
  6. Step 6: Final answer
    x = 266,904.01

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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.