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Finding the Fourth Proportional to 376,807.74, 567,724.88 and 340,825.76

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Solution

The fourth proportional to 376,807.74, 567,724.88 and 340,825.76 is: 513,511.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,807.74 : 567,724.88 = 340,825.76 : x
  2. Step 2: Convert to fraction form
    376,807.74/567,724.88 = 340,825.76/x
  3. Step 3: Cross multiply
    376,807.74x = 567,724.88 × 340,825.76
  4. Step 4: Simplify right side
    376,807.74x = 193,495,263,696.91
  5. Step 5: Solve for x
    x = 193,495,263,696.91/376,807.74
  6. Step 6: Final answer
    x = 513,511.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.