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Finding the Fourth Proportional to 985,607.48, 1,478,398.26 and 237,647

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Solution

The fourth proportional to 985,607.48, 1,478,398.26 and 237,647 is: 356,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,607.48 : 1,478,398.26 = 237,647 : x
  2. Step 2: Convert to fraction form
    985,607.48/1,478,398.26 = 237,647/x
  3. Step 3: Cross multiply
    985,607.48x = 1,478,398.26 × 237,647
  4. Step 4: Simplify right side
    985,607.48x = 351,336,911,294.22
  5. Step 5: Solve for x
    x = 351,336,911,294.22/985,607.48
  6. Step 6: Final answer
    x = 356,467.38

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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.