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Finding the Fourth Proportional to 373,636.50, 560,459.64 and 124,318.50

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Solution

The fourth proportional to 373,636.50, 560,459.64 and 124,318.50 is: 186,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,636.50 : 560,459.64 = 124,318.50 : x
  2. Step 2: Convert to fraction form
    373,636.50/560,459.64 = 124,318.50/x
  3. Step 3: Cross multiply
    373,636.50x = 560,459.64 × 124,318.50
  4. Step 4: Simplify right side
    373,636.50x = 69,675,501,755.34
  5. Step 5: Solve for x
    x = 69,675,501,755.34/373,636.50
  6. Step 6: Final answer
    x = 186,479.38

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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.