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Finding the Fourth Proportional to 618,087.44, 852,920.07 and 346,092.98

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Solution

The fourth proportional to 618,087.44, 852,920.07 and 346,092.98 is: 477,585.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,087.44 : 852,920.07 = 346,092.98 : x
  2. Step 2: Convert to fraction form
    618,087.44/852,920.07 = 346,092.98/x
  3. Step 3: Cross multiply
    618,087.44x = 852,920.07 × 346,092.98
  4. Step 4: Simplify right side
    618,087.44x = 295,189,650,860.41
  5. Step 5: Solve for x
    x = 295,189,650,860.41/618,087.44
  6. Step 6: Final answer
    x = 477,585.58

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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.