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Finding the Fourth Proportional to 507,211.36, 760,532.02 and 347,467.42

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Solution

The fourth proportional to 507,211.36, 760,532.02 and 347,467.42 is: 521,005.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,211.36 : 760,532.02 = 347,467.42 : x
  2. Step 2: Convert to fraction form
    507,211.36/760,532.02 = 347,467.42/x
  3. Step 3: Cross multiply
    507,211.36x = 760,532.02 × 347,467.42
  4. Step 4: Simplify right side
    507,211.36x = 264,260,098,816.79
  5. Step 5: Solve for x
    x = 264,260,098,816.79/507,211.36
  6. Step 6: Final answer
    x = 521,005.88

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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.