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Finding the Fourth Proportional to 680,853, 1,021,746.06 and 237,621

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Solution

The fourth proportional to 680,853, 1,021,746.06 and 237,621 is: 356,594.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,853 : 1,021,746.06 = 237,621 : x
  2. Step 2: Convert to fraction form
    680,853/1,021,746.06 = 237,621/x
  3. Step 3: Cross multiply
    680,853x = 1,021,746.06 × 237,621
  4. Step 4: Simplify right side
    680,853x = 242,788,320,523.26
  5. Step 5: Solve for x
    x = 242,788,320,523.26/680,853
  6. Step 6: Final answer
    x = 356,594.33

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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.