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Finding the Fourth Proportional to 550,266.60, 768,798.60 and 550,266.60

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Solution

The fourth proportional to 550,266.60, 768,798.60 and 550,266.60 is: 768,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,266.60 : 768,798.60 = 550,266.60 : x
  2. Step 2: Convert to fraction form
    550,266.60/768,798.60 = 550,266.60/x
  3. Step 3: Cross multiply
    550,266.60x = 768,798.60 × 550,266.60
  4. Step 4: Simplify right side
    550,266.60x = 423,044,191,706.76
  5. Step 5: Solve for x
    x = 423,044,191,706.76/550,266.60
  6. Step 6: Final answer
    x = 768,798.60

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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.