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Finding the Fourth Proportional to 450,734.49, 621,989.96 and 246,746.32

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Solution

The fourth proportional to 450,734.49, 621,989.96 and 246,746.32 is: 340,496.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,734.49 : 621,989.96 = 246,746.32 : x
  2. Step 2: Convert to fraction form
    450,734.49/621,989.96 = 246,746.32/x
  3. Step 3: Cross multiply
    450,734.49x = 621,989.96 × 246,746.32
  4. Step 4: Simplify right side
    450,734.49x = 153,473,730,918.24
  5. Step 5: Solve for x
    x = 153,473,730,918.24/450,734.49
  6. Step 6: Final answer
    x = 340,496.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.