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Finding the Fourth Proportional to 553,809.01, 830,713.41 and 133,084.88

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Solution

The fourth proportional to 553,809.01, 830,713.41 and 133,084.88 is: 199,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,809.01 : 830,713.41 = 133,084.88 : x
  2. Step 2: Convert to fraction form
    553,809.01/830,713.41 = 133,084.88/x
  3. Step 3: Cross multiply
    553,809.01x = 830,713.41 × 133,084.88
  4. Step 4: Simplify right side
    553,809.01x = 110,555,394,484.24
  5. Step 5: Solve for x
    x = 110,555,394,484.24/553,809.01
  6. Step 6: Final answer
    x = 199,627.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.