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Finding the Fourth Proportional to 319,704.83, 441,192.69 and 176,464.91

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Solution

The fourth proportional to 319,704.83, 441,192.69 and 176,464.91 is: 243,521.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,704.83 : 441,192.69 = 176,464.91 : x
  2. Step 2: Convert to fraction form
    319,704.83/441,192.69 = 176,464.91/x
  3. Step 3: Cross multiply
    319,704.83x = 441,192.69 × 176,464.91
  4. Step 4: Simplify right side
    319,704.83x = 77,855,026,127.54
  5. Step 5: Solve for x
    x = 77,855,026,127.54/319,704.83
  6. Step 6: Final answer
    x = 243,521.59

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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.