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Finding the Fourth Proportional to 311,598.42, 467,460.51 and 98,399.64

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Solution

The fourth proportional to 311,598.42, 467,460.51 and 98,399.64 is: 147,619.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,598.42 : 467,460.51 = 98,399.64 : x
  2. Step 2: Convert to fraction form
    311,598.42/467,460.51 = 98,399.64/x
  3. Step 3: Cross multiply
    311,598.42x = 467,460.51 × 98,399.64
  4. Step 4: Simplify right side
    311,598.42x = 45,997,945,898.22
  5. Step 5: Solve for x
    x = 45,997,945,898.22/311,598.42
  6. Step 6: Final answer
    x = 147,619.32

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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.