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Finding the Fourth Proportional to 616,246.90, 925,061.55 and 367,069.30

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Solution

The fourth proportional to 616,246.90, 925,061.55 and 367,069.30 is: 551,015.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,246.90 : 925,061.55 = 367,069.30 : x
  2. Step 2: Convert to fraction form
    616,246.90/925,061.55 = 367,069.30/x
  3. Step 3: Cross multiply
    616,246.90x = 925,061.55 × 367,069.30
  4. Step 4: Simplify right side
    616,246.90x = 339,561,695,615.42
  5. Step 5: Solve for x
    x = 339,561,695,615.42/616,246.90
  6. Step 6: Final answer
    x = 551,015.67

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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.