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Finding the Fourth Proportional to 699,706.92, 966,060.36 and 538,277.16

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Solution

The fourth proportional to 699,706.92, 966,060.36 and 538,277.16 is: 743,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,706.92 : 966,060.36 = 538,277.16 : x
  2. Step 2: Convert to fraction form
    699,706.92/966,060.36 = 538,277.16/x
  3. Step 3: Cross multiply
    699,706.92x = 966,060.36 × 538,277.16
  4. Step 4: Simplify right side
    699,706.92x = 520,008,226,969.38
  5. Step 5: Solve for x
    x = 520,008,226,969.38/699,706.92
  6. Step 6: Final answer
    x = 743,180.05

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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.