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Finding the Fourth Proportional to 1,856,366, 2,785,015.60 and 526,670

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Solution

The fourth proportional to 1,856,366, 2,785,015.60 and 526,670 is: 790,137.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,366 : 2,785,015.60 = 526,670 : x
  2. Step 2: Convert to fraction form
    1,856,366/2,785,015.60 = 526,670/x
  3. Step 3: Cross multiply
    1,856,366x = 2,785,015.60 × 526,670
  4. Step 4: Simplify right side
    1,856,366x = 1,466,784,166,052
  5. Step 5: Solve for x
    x = 1,466,784,166,052/1,856,366
  6. Step 6: Final answer
    x = 790,137.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.