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Finding the Fourth Proportional to 331,069.60, 496,809.60 and 173,411.20

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Solution

The fourth proportional to 331,069.60, 496,809.60 and 173,411.20 is: 260,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,069.60 : 496,809.60 = 173,411.20 : x
  2. Step 2: Convert to fraction form
    331,069.60/496,809.60 = 173,411.20/x
  3. Step 3: Cross multiply
    331,069.60x = 496,809.60 × 173,411.20
  4. Step 4: Simplify right side
    331,069.60x = 86,152,348,907.52
  5. Step 5: Solve for x
    x = 86,152,348,907.52/331,069.60
  6. Step 6: Final answer
    x = 260,224.28

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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.