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Finding the Fourth Proportional to 450,439.16, 621,606.00 and 246,490.12

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Solution

The fourth proportional to 450,439.16, 621,606.00 and 246,490.12 is: 340,156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,439.16 : 621,606.00 = 246,490.12 : x
  2. Step 2: Convert to fraction form
    450,439.16/621,606.00 = 246,490.12/x
  3. Step 3: Cross multiply
    450,439.16x = 621,606.00 × 246,490.12
  4. Step 4: Simplify right side
    450,439.16x = 153,219,737,847.56
  5. Step 5: Solve for x
    x = 153,219,737,847.56/450,439.16
  6. Step 6: Final answer
    x = 340,156.34

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1.5x scale

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.