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Finding the Fourth Proportional to 306,602.20, 459,247.20 and 254,114.20

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Solution

The fourth proportional to 306,602.20, 459,247.20 and 254,114.20 is: 380,627.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,602.20 : 459,247.20 = 254,114.20 : x
  2. Step 2: Convert to fraction form
    306,602.20/459,247.20 = 254,114.20/x
  3. Step 3: Cross multiply
    306,602.20x = 459,247.20 × 254,114.20
  4. Step 4: Simplify right side
    306,602.20x = 116,701,234,830.24
  5. Step 5: Solve for x
    x = 116,701,234,830.24/306,602.20
  6. Step 6: Final answer
    x = 380,627.52

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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.