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Finding the Fourth Proportional to 882,758.56, 1,323,100.56 and 408,442.08

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Solution

The fourth proportional to 882,758.56, 1,323,100.56 and 408,442.08 is: 612,183.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,758.56 : 1,323,100.56 = 408,442.08 : x
  2. Step 2: Convert to fraction form
    882,758.56/1,323,100.56 = 408,442.08/x
  3. Step 3: Cross multiply
    882,758.56x = 1,323,100.56 × 408,442.08
  4. Step 4: Simplify right side
    882,758.56x = 540,409,944,775.57
  5. Step 5: Solve for x
    x = 540,409,944,775.57/882,758.56
  6. Step 6: Final answer
    x = 612,183.18

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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.