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Finding the Fourth Proportional to 531,790.91, 734,142.45 and 410,660.27

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Solution

The fourth proportional to 531,790.91, 734,142.45 and 410,660.27 is: 566,920.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,790.91 : 734,142.45 = 410,660.27 : x
  2. Step 2: Convert to fraction form
    531,790.91/734,142.45 = 410,660.27/x
  3. Step 3: Cross multiply
    531,790.91x = 734,142.45 × 410,660.27
  4. Step 4: Simplify right side
    531,790.91x = 301,483,134,900.11
  5. Step 5: Solve for x
    x = 301,483,134,900.11/531,790.91
  6. Step 6: Final answer
    x = 566,920.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.