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Finding the Fourth Proportional to 451,469.94, 623,030.85 and 260,491.38

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Solution

The fourth proportional to 451,469.94, 623,030.85 and 260,491.38 is: 359,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,469.94 : 623,030.85 = 260,491.38 : x
  2. Step 2: Convert to fraction form
    451,469.94/623,030.85 = 260,491.38/x
  3. Step 3: Cross multiply
    451,469.94x = 623,030.85 × 260,491.38
  4. Step 4: Simplify right side
    451,469.94x = 162,294,165,899.07
  5. Step 5: Solve for x
    x = 162,294,165,899.07/451,469.94
  6. Step 6: Final answer
    x = 359,479.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.