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Finding the Fourth Proportional to 500,754.66, 751,133.35 and 145,777.22

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Solution

The fourth proportional to 500,754.66, 751,133.35 and 145,777.22 is: 218,666.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,754.66 : 751,133.35 = 145,777.22 : x
  2. Step 2: Convert to fraction form
    500,754.66/751,133.35 = 145,777.22/x
  3. Step 3: Cross multiply
    500,754.66x = 751,133.35 × 145,777.22
  4. Step 4: Simplify right side
    500,754.66x = 109,498,130,855.59
  5. Step 5: Solve for x
    x = 109,498,130,855.59/500,754.66
  6. Step 6: Final answer
    x = 218,666.23

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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.