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Finding the Fourth Proportional to 272,295.20, 408,097.20 and 242,573.60

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Solution

The fourth proportional to 272,295.20, 408,097.20 and 242,573.60 is: 363,552.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,295.20 : 408,097.20 = 242,573.60 : x
  2. Step 2: Convert to fraction form
    272,295.20/408,097.20 = 242,573.60/x
  3. Step 3: Cross multiply
    272,295.20x = 408,097.20 × 242,573.60
  4. Step 4: Simplify right side
    272,295.20x = 98,993,606,953.92
  5. Step 5: Solve for x
    x = 98,993,606,953.92/272,295.20
  6. Step 6: Final answer
    x = 363,552.52

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1.5x scale

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.