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Finding the Fourth Proportional to 450,440.01, 621,607.27 and 246,490.98

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Solution

The fourth proportional to 450,440.01, 621,607.27 and 246,490.98 is: 340,157.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,440.01 : 621,607.27 = 246,490.98 : x
  2. Step 2: Convert to fraction form
    450,440.01/621,607.27 = 246,490.98/x
  3. Step 3: Cross multiply
    450,440.01x = 621,607.27 × 246,490.98
  4. Step 4: Simplify right side
    450,440.01x = 153,220,580,816.93
  5. Step 5: Solve for x
    x = 153,220,580,816.93/450,440.01
  6. Step 6: Final answer
    x = 340,157.57

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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.