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Finding the Fourth Proportional to 330,400.08, 455,950.92 and 179,495.76

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Solution

The fourth proportional to 330,400.08, 455,950.92 and 179,495.76 is: 247,703.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,400.08 : 455,950.92 = 179,495.76 : x
  2. Step 2: Convert to fraction form
    330,400.08/455,950.92 = 179,495.76/x
  3. Step 3: Cross multiply
    330,400.08x = 455,950.92 × 179,495.76
  4. Step 4: Simplify right side
    330,400.08x = 81,841,256,908.10
  5. Step 5: Solve for x
    x = 81,841,256,908.10/330,400.08
  6. Step 6: Final answer
    x = 247,703.50

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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.