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Finding the Fourth Proportional to 786,359, 1,179,538.68 and 195,383

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Solution

The fourth proportional to 786,359, 1,179,538.68 and 195,383 is: 293,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,359 : 1,179,538.68 = 195,383 : x
  2. Step 2: Convert to fraction form
    786,359/1,179,538.68 = 195,383/x
  3. Step 3: Cross multiply
    786,359x = 1,179,538.68 × 195,383
  4. Step 4: Simplify right side
    786,359x = 230,461,805,914.44
  5. Step 5: Solve for x
    x = 230,461,805,914.44/786,359
  6. Step 6: Final answer
    x = 293,074.54

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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.