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Finding the Fourth Proportional to 553,899.97, 830,938.53 and 234,054.85

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Solution

The fourth proportional to 553,899.97, 830,938.53 and 234,054.85 is: 351,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,899.97 : 830,938.53 = 234,054.85 : x
  2. Step 2: Convert to fraction form
    553,899.97/830,938.53 = 234,054.85/x
  3. Step 3: Cross multiply
    553,899.97x = 830,938.53 × 234,054.85
  4. Step 4: Simplify right side
    553,899.97x = 194,485,192,998.37
  5. Step 5: Solve for x
    x = 194,485,192,998.37/553,899.97
  6. Step 6: Final answer
    x = 351,119.70

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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.