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Finding the Fourth Proportional to 507,107.62, 759,540.20 and 346,803.64

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Solution

The fourth proportional to 507,107.62, 759,540.20 and 346,803.64 is: 519,438.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,107.62 : 759,540.20 = 346,803.64 : x
  2. Step 2: Convert to fraction form
    507,107.62/759,540.20 = 346,803.64/x
  3. Step 3: Cross multiply
    507,107.62x = 759,540.20 × 346,803.64
  4. Step 4: Simplify right side
    507,107.62x = 263,411,306,086.33
  5. Step 5: Solve for x
    x = 263,411,306,086.33/507,107.62
  6. Step 6: Final answer
    x = 519,438.67

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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.