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Finding the Fourth Proportional to 357,198.79, 535,078.41 and 237,323.25

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Solution

The fourth proportional to 357,198.79, 535,078.41 and 237,323.25 is: 355,506.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,198.79 : 535,078.41 = 237,323.25 : x
  2. Step 2: Convert to fraction form
    357,198.79/535,078.41 = 237,323.25/x
  3. Step 3: Cross multiply
    357,198.79x = 535,078.41 × 237,323.25
  4. Step 4: Simplify right side
    357,198.79x = 126,986,547,266.03
  5. Step 5: Solve for x
    x = 126,986,547,266.03/357,198.79
  6. Step 6: Final answer
    x = 355,506.66

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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.