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Finding the Fourth Proportional to 515,166.89, 773,195.02 and 357,506.06

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Solution

The fourth proportional to 515,166.89, 773,195.02 and 357,506.06 is: 536,567.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,166.89 : 773,195.02 = 357,506.06 : x
  2. Step 2: Convert to fraction form
    515,166.89/773,195.02 = 357,506.06/x
  3. Step 3: Cross multiply
    515,166.89x = 773,195.02 × 357,506.06
  4. Step 4: Simplify right side
    515,166.89x = 276,421,900,452.08
  5. Step 5: Solve for x
    x = 276,421,900,452.08/515,166.89
  6. Step 6: Final answer
    x = 536,567.68

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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.