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Finding the Fourth Proportional to 611,409.28, 916,491.84 and 566,152.96

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Solution

The fourth proportional to 611,409.28, 916,491.84 and 566,152.96 is: 848,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,409.28 : 916,491.84 = 566,152.96 : x
  2. Step 2: Convert to fraction form
    611,409.28/916,491.84 = 566,152.96/x
  3. Step 3: Cross multiply
    611,409.28x = 916,491.84 × 566,152.96
  4. Step 4: Simplify right side
    611,409.28x = 518,874,568,031.85
  5. Step 5: Solve for x
    x = 518,874,568,031.85/611,409.28
  6. Step 6: Final answer
    x = 848,653.41

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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.