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Finding the Fourth Proportional to 370,636.86, 555,319.99 and 248,829.27

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Solution

The fourth proportional to 370,636.86, 555,319.99 and 248,829.27 is: 372,817.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,636.86 : 555,319.99 = 248,829.27 : x
  2. Step 2: Convert to fraction form
    370,636.86/555,319.99 = 248,829.27/x
  3. Step 3: Cross multiply
    370,636.86x = 555,319.99 × 248,829.27
  4. Step 4: Simplify right side
    370,636.86x = 138,179,867,728.11
  5. Step 5: Solve for x
    x = 138,179,867,728.11/370,636.86
  6. Step 6: Final answer
    x = 372,817.39

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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.