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Finding the Fourth Proportional to 774,700.02, 1,068,910.85 and 468,768.69

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Solution

The fourth proportional to 774,700.02, 1,068,910.85 and 468,768.69 is: 646,794.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,700.02 : 1,068,910.85 = 468,768.69 : x
  2. Step 2: Convert to fraction form
    774,700.02/1,068,910.85 = 468,768.69/x
  3. Step 3: Cross multiply
    774,700.02x = 1,068,910.85 × 468,768.69
  4. Step 4: Simplify right side
    774,700.02x = 501,071,936,537.44
  5. Step 5: Solve for x
    x = 501,071,936,537.44/774,700.02
  6. Step 6: Final answer
    x = 646,794.79

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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.