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Finding the Fourth Proportional to 330,356.58, 455,897.61 and 179,453.58

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Solution

The fourth proportional to 330,356.58, 455,897.61 and 179,453.58 is: 247,648.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,356.58 : 455,897.61 = 179,453.58 : x
  2. Step 2: Convert to fraction form
    330,356.58/455,897.61 = 179,453.58/x
  3. Step 3: Cross multiply
    330,356.58x = 455,897.61 × 179,453.58
  4. Step 4: Simplify right side
    330,356.58x = 81,812,458,227.94
  5. Step 5: Solve for x
    x = 81,812,458,227.94/330,356.58
  6. Step 6: Final answer
    x = 247,648.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.