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Finding the Fourth Proportional to 2,583,575.80, 3,874,916.58 and 786,023.80

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Solution

The fourth proportional to 2,583,575.80, 3,874,916.58 and 786,023.80 is: 1,178,899.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,583,575.80 : 3,874,916.58 = 786,023.80 : x
  2. Step 2: Convert to fraction form
    2,583,575.80/3,874,916.58 = 786,023.80/x
  3. Step 3: Cross multiply
    2,583,575.80x = 3,874,916.58 × 786,023.80
  4. Step 4: Simplify right side
    2,583,575.80x = 3,045,776,654,894.60
  5. Step 5: Solve for x
    x = 3,045,776,654,894.60/2,583,575.80
  6. Step 6: Final answer
    x = 1,178,899.67

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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.