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Finding the Fourth Proportional to 449,537.94, 620,374.44 and 245,597.46

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Solution

The fourth proportional to 449,537.94, 620,374.44 and 245,597.46 is: 338,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,537.94 : 620,374.44 = 245,597.46 : x
  2. Step 2: Convert to fraction form
    449,537.94/620,374.44 = 245,597.46/x
  3. Step 3: Cross multiply
    449,537.94x = 620,374.44 × 245,597.46
  4. Step 4: Simplify right side
    449,537.94x = 152,362,386,712.92
  5. Step 5: Solve for x
    x = 152,362,386,712.92/449,537.94
  6. Step 6: Final answer
    x = 338,931.10

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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.