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Finding the Fourth Proportional to 306,074.10, 459,111.15 and 236,090.10

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Solution

The fourth proportional to 306,074.10, 459,111.15 and 236,090.10 is: 354,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,074.10 : 459,111.15 = 236,090.10 : x
  2. Step 2: Convert to fraction form
    306,074.10/459,111.15 = 236,090.10/x
  3. Step 3: Cross multiply
    306,074.10x = 459,111.15 × 236,090.10
  4. Step 4: Simplify right side
    306,074.10x = 108,391,597,314.62
  5. Step 5: Solve for x
    x = 108,391,597,314.62/306,074.10
  6. Step 6: Final answer
    x = 354,135.15

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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.