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Finding the Fourth Proportional to 622,830.69, 934,246 and 149,516.05

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Solution

The fourth proportional to 622,830.69, 934,246 and 149,516.05 is: 224,274.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,830.69 : 934,246 = 149,516.05 : x
  2. Step 2: Convert to fraction form
    622,830.69/934,246 = 149,516.05/x
  3. Step 3: Cross multiply
    622,830.69x = 934,246 × 149,516.05
  4. Step 4: Simplify right side
    622,830.69x = 139,684,771,648.30
  5. Step 5: Solve for x
    x = 139,684,771,648.30/622,830.69
  6. Step 6: Final answer
    x = 224,274.07

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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.