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Finding the Fourth Proportional to 452,420.44, 678,663.60 and 152,801.44

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Solution

The fourth proportional to 452,420.44, 678,663.60 and 152,801.44 is: 229,213.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,420.44 : 678,663.60 = 152,801.44 : x
  2. Step 2: Convert to fraction form
    452,420.44/678,663.60 = 152,801.44/x
  3. Step 3: Cross multiply
    452,420.44x = 678,663.60 × 152,801.44
  4. Step 4: Simplify right side
    452,420.44x = 103,700,775,355.58
  5. Step 5: Solve for x
    x = 103,700,775,355.58/452,420.44
  6. Step 6: Final answer
    x = 229,213.29

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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.