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Finding the Fourth Proportional to 519,356.71, 778,763.70 and 234,911.37

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Solution

The fourth proportional to 519,356.71, 778,763.70 and 234,911.37 is: 352,244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,356.71 : 778,763.70 = 234,911.37 : x
  2. Step 2: Convert to fraction form
    519,356.71/778,763.70 = 234,911.37/x
  3. Step 3: Cross multiply
    519,356.71x = 778,763.70 × 234,911.37
  4. Step 4: Simplify right side
    519,356.71x = 182,940,450,593.63
  5. Step 5: Solve for x
    x = 182,940,450,593.63/519,356.71
  6. Step 6: Final answer
    x = 352,244.32

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1.5x scale

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.