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Finding the Fourth Proportional to 652,590.88, 978,883.99 and 368,152.39

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Solution

The fourth proportional to 652,590.88, 978,883.99 and 368,152.39 is: 552,227.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,590.88 : 978,883.99 = 368,152.39 : x
  2. Step 2: Convert to fraction form
    652,590.88/978,883.99 = 368,152.39/x
  3. Step 3: Cross multiply
    652,590.88x = 978,883.99 × 368,152.39
  4. Step 4: Simplify right side
    652,590.88x = 360,378,480,754.46
  5. Step 5: Solve for x
    x = 360,378,480,754.46/652,590.88
  6. Step 6: Final answer
    x = 552,227.27

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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.