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Finding the Fourth Proportional to 272,810.95, 408,837.12 and 237,199.30

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Solution

The fourth proportional to 272,810.95, 408,837.12 and 237,199.30 is: 355,469.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,810.95 : 408,837.12 = 237,199.30 : x
  2. Step 2: Convert to fraction form
    272,810.95/408,837.12 = 237,199.30/x
  3. Step 3: Cross multiply
    272,810.95x = 408,837.12 × 237,199.30
  4. Step 4: Simplify right side
    272,810.95x = 96,975,878,678.02
  5. Step 5: Solve for x
    x = 96,975,878,678.02/272,810.95
  6. Step 6: Final answer
    x = 355,469.16

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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.