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Finding the Fourth Proportional to 307,599.70, 461,464.35 and 130,015.30

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Solution

The fourth proportional to 307,599.70, 461,464.35 and 130,015.30 is: 195,050.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,599.70 : 461,464.35 = 130,015.30 : x
  2. Step 2: Convert to fraction form
    307,599.70/461,464.35 = 130,015.30/x
  3. Step 3: Cross multiply
    307,599.70x = 461,464.35 × 130,015.30
  4. Step 4: Simplify right side
    307,599.70x = 59,997,425,904.56
  5. Step 5: Solve for x
    x = 59,997,425,904.56/307,599.70
  6. Step 6: Final answer
    x = 195,050.34

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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.