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Finding the Fourth Proportional to 369,674.67, 554,427.22 and 103,453.86

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Solution

The fourth proportional to 369,674.67, 554,427.22 and 103,453.86 is: 155,157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,674.67 : 554,427.22 = 103,453.86 : x
  2. Step 2: Convert to fraction form
    369,674.67/554,427.22 = 103,453.86/x
  3. Step 3: Cross multiply
    369,674.67x = 554,427.22 × 103,453.86
  4. Step 4: Simplify right side
    369,674.67x = 57,357,635,998.07
  5. Step 5: Solve for x
    x = 57,357,635,998.07/369,674.67
  6. Step 6: Final answer
    x = 155,157.06

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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.