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Finding the Fourth Proportional to 629,840.40, 942,456.60 and 463,952.40

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Solution

The fourth proportional to 629,840.40, 942,456.60 and 463,952.40 is: 694,231.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,840.40 : 942,456.60 = 463,952.40 : x
  2. Step 2: Convert to fraction form
    629,840.40/942,456.60 = 463,952.40/x
  3. Step 3: Cross multiply
    629,840.40x = 942,456.60 × 463,952.40
  4. Step 4: Simplify right side
    629,840.40x = 437,255,001,465.84
  5. Step 5: Solve for x
    x = 437,255,001,465.84/629,840.40
  6. Step 6: Final answer
    x = 694,231.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.