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Finding the Fourth Proportional to 350,774.07, 526,239 and 163,683.51

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Solution

The fourth proportional to 350,774.07, 526,239 and 163,683.51 is: 245,561.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,774.07 : 526,239 = 163,683.51 : x
  2. Step 2: Convert to fraction form
    350,774.07/526,239 = 163,683.51/x
  3. Step 3: Cross multiply
    350,774.07x = 526,239 × 163,683.51
  4. Step 4: Simplify right side
    350,774.07x = 86,136,646,618.89
  5. Step 5: Solve for x
    x = 86,136,646,618.89/350,774.07
  6. Step 6: Final answer
    x = 245,561.61

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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.