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Finding the Fourth Proportional to 774,194.76, 1,068,473 and 468,439.86

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Solution

The fourth proportional to 774,194.76, 1,068,473 and 468,439.86 is: 646,497.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,194.76 : 1,068,473 = 468,439.86 : x
  2. Step 2: Convert to fraction form
    774,194.76/1,068,473 = 468,439.86/x
  3. Step 3: Cross multiply
    774,194.76x = 1,068,473 × 468,439.86
  4. Step 4: Simplify right side
    774,194.76x = 500,515,342,533.78
  5. Step 5: Solve for x
    x = 500,515,342,533.78/774,194.76
  6. Step 6: Final answer
    x = 646,497.97

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Double scale
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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.