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Finding the Fourth Proportional to 616,242.90, 925,055.55 and 367,065.30

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Solution

The fourth proportional to 616,242.90, 925,055.55 and 367,065.30 is: 551,009.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,242.90 : 925,055.55 = 367,065.30 : x
  2. Step 2: Convert to fraction form
    616,242.90/925,055.55 = 367,065.30/x
  3. Step 3: Cross multiply
    616,242.90x = 925,055.55 × 367,065.30
  4. Step 4: Simplify right side
    616,242.90x = 339,555,792,977.42
  5. Step 5: Solve for x
    x = 339,555,792,977.42/616,242.90
  6. Step 6: Final answer
    x = 551,009.66

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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.