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Finding the Fourth Proportional to 452,281.26, 678,436.29 and 227,518.86

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Solution

The fourth proportional to 452,281.26, 678,436.29 and 227,518.86 is: 341,285.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,281.26 : 678,436.29 = 227,518.86 : x
  2. Step 2: Convert to fraction form
    452,281.26/678,436.29 = 227,518.86/x
  3. Step 3: Cross multiply
    452,281.26x = 678,436.29 × 227,518.86
  4. Step 4: Simplify right side
    452,281.26x = 154,357,051,283.43
  5. Step 5: Solve for x
    x = 154,357,051,283.43/452,281.26
  6. Step 6: Final answer
    x = 341,285.53

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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.