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Finding the Fourth Proportional to 519,073.47, 778,725.54 and 159,294.33

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Solution

The fourth proportional to 519,073.47, 778,725.54 and 159,294.33 is: 238,976.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,073.47 : 778,725.54 = 159,294.33 : x
  2. Step 2: Convert to fraction form
    519,073.47/778,725.54 = 159,294.33/x
  3. Step 3: Cross multiply
    519,073.47x = 778,725.54 × 159,294.33
  4. Step 4: Simplify right side
    519,073.47x = 124,046,563,148.19
  5. Step 5: Solve for x
    x = 124,046,563,148.19/519,073.47
  6. Step 6: Final answer
    x = 238,976.89

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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.