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Finding the Fourth Proportional to 437,538.61, 603,572.74 and 301,336.57

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Solution

The fourth proportional to 437,538.61, 603,572.74 and 301,336.57 is: 415,685.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,538.61 : 603,572.74 = 301,336.57 : x
  2. Step 2: Convert to fraction form
    437,538.61/603,572.74 = 301,336.57/x
  3. Step 3: Cross multiply
    437,538.61x = 603,572.74 × 301,336.57
  4. Step 4: Simplify right side
    437,538.61x = 181,878,539,217.10
  5. Step 5: Solve for x
    x = 181,878,539,217.10/437,538.61
  6. Step 6: Final answer
    x = 415,685.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.