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Finding the Fourth Proportional to 350,802.12, 526,335.74 and 210,658.44

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Solution

The fourth proportional to 350,802.12, 526,335.74 and 210,658.44 is: 316,067.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,802.12 : 526,335.74 = 210,658.44 : x
  2. Step 2: Convert to fraction form
    350,802.12/526,335.74 = 210,658.44/x
  3. Step 3: Cross multiply
    350,802.12x = 526,335.74 × 210,658.44
  4. Step 4: Simplify right side
    350,802.12x = 110,877,065,904.65
  5. Step 5: Solve for x
    x = 110,877,065,904.65/350,802.12
  6. Step 6: Final answer
    x = 316,067.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.