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Finding the Fourth Proportional to 452,008.23, 678,012.36 and 352,243.11

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Solution

The fourth proportional to 452,008.23, 678,012.36 and 352,243.11 is: 528,364.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,008.23 : 678,012.36 = 352,243.11 : x
  2. Step 2: Convert to fraction form
    452,008.23/678,012.36 = 352,243.11/x
  3. Step 3: Cross multiply
    452,008.23x = 678,012.36 × 352,243.11
  4. Step 4: Simplify right side
    452,008.23x = 238,825,182,304.84
  5. Step 5: Solve for x
    x = 238,825,182,304.84/452,008.23
  6. Step 6: Final answer
    x = 528,364.68

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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.