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Finding the Fourth Proportional to 472,906.40, 710,015.70 and 295,759.40

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Solution

The fourth proportional to 472,906.40, 710,015.70 and 295,759.40 is: 444,049.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,906.40 : 710,015.70 = 295,759.40 : x
  2. Step 2: Convert to fraction form
    472,906.40/710,015.70 = 295,759.40/x
  3. Step 3: Cross multiply
    472,906.40x = 710,015.70 × 295,759.40
  4. Step 4: Simplify right side
    472,906.40x = 209,993,817,422.58
  5. Step 5: Solve for x
    x = 209,993,817,422.58/472,906.40
  6. Step 6: Final answer
    x = 444,049.43

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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.