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Finding the Fourth Proportional to 666,450.12, 919,698.37 and 360,525.73

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Solution

The fourth proportional to 666,450.12, 919,698.37 and 360,525.73 is: 497,524.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,450.12 : 919,698.37 = 360,525.73 : x
  2. Step 2: Convert to fraction form
    666,450.12/919,698.37 = 360,525.73/x
  3. Step 3: Cross multiply
    666,450.12x = 919,698.37 × 360,525.73
  4. Step 4: Simplify right side
    666,450.12x = 331,574,926,224.06
  5. Step 5: Solve for x
    x = 331,574,926,224.06/666,450.12
  6. Step 6: Final answer
    x = 497,524.00

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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.