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Finding the Fourth Proportional to 500,785.60, 751,928.81 and 433,525.07

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Solution

The fourth proportional to 500,785.60, 751,928.81 and 433,525.07 is: 650,937.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,785.60 : 751,928.81 = 433,525.07 : x
  2. Step 2: Convert to fraction form
    500,785.60/751,928.81 = 433,525.07/x
  3. Step 3: Cross multiply
    500,785.60x = 751,928.81 × 433,525.07
  4. Step 4: Simplify right side
    500,785.60x = 325,979,987,966.54
  5. Step 5: Solve for x
    x = 325,979,987,966.54/500,785.60
  6. Step 6: Final answer
    x = 650,937.23

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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.