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Finding the Fourth Proportional to 330,953.69, 456,718.08 and 180,051.77

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Solution

The fourth proportional to 330,953.69, 456,718.08 and 180,051.77 is: 248,472.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,953.69 : 456,718.08 = 180,051.77 : x
  2. Step 2: Convert to fraction form
    330,953.69/456,718.08 = 180,051.77/x
  3. Step 3: Cross multiply
    330,953.69x = 456,718.08 × 180,051.77
  4. Step 4: Simplify right side
    330,953.69x = 82,232,898,695.00
  5. Step 5: Solve for x
    x = 82,232,898,695.00/330,953.69
  6. Step 6: Final answer
    x = 248,472.52

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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.