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Finding the Fourth Proportional to 414,433.79, 621,648.59 and 358,102.49

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Solution

The fourth proportional to 414,433.79, 621,648.59 and 358,102.49 is: 537,151.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,433.79 : 621,648.59 = 358,102.49 : x
  2. Step 2: Convert to fraction form
    414,433.79/621,648.59 = 358,102.49/x
  3. Step 3: Cross multiply
    414,433.79x = 621,648.59 × 358,102.49
  4. Step 4: Simplify right side
    414,433.79x = 222,613,907,983.99
  5. Step 5: Solve for x
    x = 222,613,907,983.99/414,433.79
  6. Step 6: Final answer
    x = 537,151.93

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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.