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Finding the Fourth Proportional to 1,308,668.76, 1,961,603.46 and 597,631.32

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Solution

The fourth proportional to 1,308,668.76, 1,961,603.46 and 597,631.32 is: 895,807.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,668.76 : 1,961,603.46 = 597,631.32 : x
  2. Step 2: Convert to fraction form
    1,308,668.76/1,961,603.46 = 597,631.32/x
  3. Step 3: Cross multiply
    1,308,668.76x = 1,961,603.46 × 597,631.32
  4. Step 4: Simplify right side
    1,308,668.76x = 1,172,315,665,116.37
  5. Step 5: Solve for x
    x = 1,172,315,665,116.37/1,308,668.76
  6. Step 6: Final answer
    x = 895,807.79

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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.