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Finding the Fourth Proportional to 550,370.10, 771,567.90 and 550,370.10

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Solution

The fourth proportional to 550,370.10, 771,567.90 and 550,370.10 is: 771,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,370.10 : 771,567.90 = 550,370.10 : x
  2. Step 2: Convert to fraction form
    550,370.10/771,567.90 = 550,370.10/x
  3. Step 3: Cross multiply
    550,370.10x = 771,567.90 × 550,370.10
  4. Step 4: Simplify right side
    550,370.10x = 424,647,902,279.79
  5. Step 5: Solve for x
    x = 424,647,902,279.79/550,370.10
  6. Step 6: Final answer
    x = 771,567.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.