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Finding the Fourth Proportional to 450,008.20, 621,011.88 and 246,060.04

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Solution

The fourth proportional to 450,008.20, 621,011.88 and 246,060.04 is: 339,563.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,008.20 : 621,011.88 = 246,060.04 : x
  2. Step 2: Convert to fraction form
    450,008.20/621,011.88 = 246,060.04/x
  3. Step 3: Cross multiply
    450,008.20x = 621,011.88 × 246,060.04
  4. Step 4: Simplify right side
    450,008.20x = 152,806,208,033.28
  5. Step 5: Solve for x
    x = 152,806,208,033.28/450,008.20
  6. Step 6: Final answer
    x = 339,563.16

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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.