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Finding the Fourth Proportional to 524,832.75, 787,205.81 and 145,762.39

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Solution

The fourth proportional to 524,832.75, 787,205.81 and 145,762.39 is: 218,631.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,832.75 : 787,205.81 = 145,762.39 : x
  2. Step 2: Convert to fraction form
    524,832.75/787,205.81 = 145,762.39/x
  3. Step 3: Cross multiply
    524,832.75x = 787,205.81 × 145,762.39
  4. Step 4: Simplify right side
    524,832.75x = 114,745,000,287.49
  5. Step 5: Solve for x
    x = 114,745,000,287.49/524,832.75
  6. Step 6: Final answer
    x = 218,631.56

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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.