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Finding the Fourth Proportional to 307,598.10, 461,008.35 and 149,486.10

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Solution

The fourth proportional to 307,598.10, 461,008.35 and 149,486.10 is: 224,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,598.10 : 461,008.35 = 149,486.10 : x
  2. Step 2: Convert to fraction form
    307,598.10/461,008.35 = 149,486.10/x
  3. Step 3: Cross multiply
    307,598.10x = 461,008.35 × 149,486.10
  4. Step 4: Simplify right side
    307,598.10x = 68,914,340,308.94
  5. Step 5: Solve for x
    x = 68,914,340,308.94/307,598.10
  6. Step 6: Final answer
    x = 224,040.20

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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.