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Finding the Fourth Proportional to 572.46, 856.68 and 410.46

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Solution

The fourth proportional to 572.46, 856.68 and 410.46 is: 614.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.46 : 856.68 = 410.46 : x
  2. Step 2: Convert to fraction form
    572.46/856.68 = 410.46/x
  3. Step 3: Cross multiply
    572.46x = 856.68 × 410.46
  4. Step 4: Simplify right side
    572.46x = 351,632.87
  5. Step 5: Solve for x
    x = 351,632.87/572.46
  6. Step 6: Final answer
    x = 614.25

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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.