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Finding the Fourth Proportional to 369,855.32, 554,755.64 and 179,728.47

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Solution

The fourth proportional to 369,855.32, 554,755.64 and 179,728.47 is: 269,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,855.32 : 554,755.64 = 179,728.47 : x
  2. Step 2: Convert to fraction form
    369,855.32/554,755.64 = 179,728.47/x
  3. Step 3: Cross multiply
    369,855.32x = 554,755.64 × 179,728.47
  4. Step 4: Simplify right side
    369,855.32x = 99,705,381,502.43
  5. Step 5: Solve for x
    x = 99,705,381,502.43/369,855.32
  6. Step 6: Final answer
    x = 269,579.42

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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.