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Finding the Fourth Proportional to 350,938.65, 526,641.53 and 191,054.91

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Solution

The fourth proportional to 350,938.65, 526,641.53 and 191,054.91 is: 286,709.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,938.65 : 526,641.53 = 191,054.91 : x
  2. Step 2: Convert to fraction form
    350,938.65/526,641.53 = 191,054.91/x
  3. Step 3: Cross multiply
    350,938.65x = 526,641.53 × 191,054.91
  4. Step 4: Simplify right side
    350,938.65x = 100,617,449,161.14
  5. Step 5: Solve for x
    x = 100,617,449,161.14/350,938.65
  6. Step 6: Final answer
    x = 286,709.51

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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.