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Finding the Fourth Proportional to 435,406.68, 652,501.78 and 235,295.64

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Solution

The fourth proportional to 435,406.68, 652,501.78 and 235,295.64 is: 352,614.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,406.68 : 652,501.78 = 235,295.64 : x
  2. Step 2: Convert to fraction form
    435,406.68/652,501.78 = 235,295.64/x
  3. Step 3: Cross multiply
    435,406.68x = 652,501.78 × 235,295.64
  4. Step 4: Simplify right side
    435,406.68x = 153,530,823,926.24
  5. Step 5: Solve for x
    x = 153,530,823,926.24/435,406.68
  6. Step 6: Final answer
    x = 352,614.76

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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.