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Finding the Fourth Proportional to 248,655.34, 372,985.59 and 199,050.76

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Solution

The fourth proportional to 248,655.34, 372,985.59 and 199,050.76 is: 298,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,655.34 : 372,985.59 = 199,050.76 : x
  2. Step 2: Convert to fraction form
    248,655.34/372,985.59 = 199,050.76/x
  3. Step 3: Cross multiply
    248,655.34x = 372,985.59 × 199,050.76
  4. Step 4: Simplify right side
    248,655.34x = 74,243,065,158.55
  5. Step 5: Solve for x
    x = 74,243,065,158.55/248,655.34
  6. Step 6: Final answer
    x = 298,578.21

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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.