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Finding the Fourth Proportional to 560,701.55, 773,768.22 and 306,052.76

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Solution

The fourth proportional to 560,701.55, 773,768.22 and 306,052.76 is: 422,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,701.55 : 773,768.22 = 306,052.76 : x
  2. Step 2: Convert to fraction form
    560,701.55/773,768.22 = 306,052.76/x
  3. Step 3: Cross multiply
    560,701.55x = 773,768.22 × 306,052.76
  4. Step 4: Simplify right side
    560,701.55x = 236,813,899,331.29
  5. Step 5: Solve for x
    x = 236,813,899,331.29/560,701.55
  6. Step 6: Final answer
    x = 422,352.85

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Double scale
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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.