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Finding the Fourth Proportional to 330,398.63, 455,950.51 and 179,495.63

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Solution

The fourth proportional to 330,398.63, 455,950.51 and 179,495.63 is: 247,704.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,398.63 : 455,950.51 = 179,495.63 : x
  2. Step 2: Convert to fraction form
    330,398.63/455,950.51 = 179,495.63/x
  3. Step 3: Cross multiply
    330,398.63x = 455,950.51 × 179,495.63
  4. Step 4: Simplify right side
    330,398.63x = 81,841,124,041.27
  5. Step 5: Solve for x
    x = 81,841,124,041.27/330,398.63
  6. Step 6: Final answer
    x = 247,704.19

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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.