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Finding the Fourth Proportional to 452,057.55, 678,086.29 and 352,292.37

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Solution

The fourth proportional to 452,057.55, 678,086.29 and 352,292.37 is: 528,438.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,057.55 : 678,086.29 = 352,292.37 : x
  2. Step 2: Convert to fraction form
    452,057.55/678,086.29 = 352,292.37/x
  3. Step 3: Cross multiply
    452,057.55x = 678,086.29 × 352,292.37
  4. Step 4: Simplify right side
    452,057.55x = 238,884,626,168.61
  5. Step 5: Solve for x
    x = 238,884,626,168.61/452,057.55
  6. Step 6: Final answer
    x = 528,438.53

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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.