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Finding the Fourth Proportional to 964,403.40, 1,446,674.34 and 254,423

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Solution

The fourth proportional to 964,403.40, 1,446,674.34 and 254,423 is: 381,652.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,403.40 : 1,446,674.34 = 254,423 : x
  2. Step 2: Convert to fraction form
    964,403.40/1,446,674.34 = 254,423/x
  3. Step 3: Cross multiply
    964,403.40x = 1,446,674.34 × 254,423
  4. Step 4: Simplify right side
    964,403.40x = 368,067,225,605.82
  5. Step 5: Solve for x
    x = 368,067,225,605.82/964,403.40
  6. Step 6: Final answer
    x = 381,652.77

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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.