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Finding the Fourth Proportional to 450,627.91, 621,867.30 and 246,678.96

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Solution

The fourth proportional to 450,627.91, 621,867.30 and 246,678.96 is: 340,417.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,627.91 : 621,867.30 = 246,678.96 : x
  2. Step 2: Convert to fraction form
    450,627.91/621,867.30 = 246,678.96/x
  3. Step 3: Cross multiply
    450,627.91x = 621,867.30 × 246,678.96
  4. Step 4: Simplify right side
    450,627.91x = 153,401,578,822.01
  5. Step 5: Solve for x
    x = 153,401,578,822.01/450,627.91
  6. Step 6: Final answer
    x = 340,417.39

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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.