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Finding the Fourth Proportional to 1,188,568, 1,640,249.76 and 652,024

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Solution

The fourth proportional to 1,188,568, 1,640,249.76 and 652,024 is: 899,807.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,568 : 1,640,249.76 = 652,024 : x
  2. Step 2: Convert to fraction form
    1,188,568/1,640,249.76 = 652,024/x
  3. Step 3: Cross multiply
    1,188,568x = 1,640,249.76 × 652,024
  4. Step 4: Simplify right side
    1,188,568x = 1,069,482,209,514.24
  5. Step 5: Solve for x
    x = 1,069,482,209,514.24/1,188,568
  6. Step 6: Final answer
    x = 899,807.34

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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.