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Finding the Fourth Proportional to 272,650.60, 408,975.90 and 242,583.40

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Solution

The fourth proportional to 272,650.60, 408,975.90 and 242,583.40 is: 363,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,650.60 : 408,975.90 = 242,583.40 : x
  2. Step 2: Convert to fraction form
    272,650.60/408,975.90 = 242,583.40/x
  3. Step 3: Cross multiply
    272,650.60x = 408,975.90 × 242,583.40
  4. Step 4: Simplify right side
    272,650.60x = 99,210,764,340.06
  5. Step 5: Solve for x
    x = 99,210,764,340.06/272,650.60
  6. Step 6: Final answer
    x = 363,875.10

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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.