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Finding the Fourth Proportional to 450,369.60, 621,505.44 and 249,167.04

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Solution

The fourth proportional to 450,369.60, 621,505.44 and 249,167.04 is: 343,847.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,369.60 : 621,505.44 = 249,167.04 : x
  2. Step 2: Convert to fraction form
    450,369.60/621,505.44 = 249,167.04/x
  3. Step 3: Cross multiply
    450,369.60x = 621,505.44 × 249,167.04
  4. Step 4: Simplify right side
    450,369.60x = 154,858,670,828.70
  5. Step 5: Solve for x
    x = 154,858,670,828.70/450,369.60
  6. Step 6: Final answer
    x = 343,847.97

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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.