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Finding the Fourth Proportional to 415,349.68, 623,076.36 and 162,597.52

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Solution

The fourth proportional to 415,349.68, 623,076.36 and 162,597.52 is: 243,916.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,349.68 : 623,076.36 = 162,597.52 : x
  2. Step 2: Convert to fraction form
    415,349.68/623,076.36 = 162,597.52/x
  3. Step 3: Cross multiply
    415,349.68x = 623,076.36 × 162,597.52
  4. Step 4: Simplify right side
    415,349.68x = 101,310,670,906.63
  5. Step 5: Solve for x
    x = 101,310,670,906.63/415,349.68
  6. Step 6: Final answer
    x = 243,916.57

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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.