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Finding the Fourth Proportional to 256,304.44, 353,685.48 and 153,055.14

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Solution

The fourth proportional to 256,304.44, 353,685.48 and 153,055.14 is: 211,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,304.44 : 353,685.48 = 153,055.14 : x
  2. Step 2: Convert to fraction form
    256,304.44/353,685.48 = 153,055.14/x
  3. Step 3: Cross multiply
    256,304.44x = 353,685.48 × 153,055.14
  4. Step 4: Simplify right side
    256,304.44x = 54,133,380,657.37
  5. Step 5: Solve for x
    x = 54,133,380,657.37/256,304.44
  6. Step 6: Final answer
    x = 211,207.35

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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.