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Finding the Fourth Proportional to 500,779.73, 751,920.06 and 433,519.23

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Solution

The fourth proportional to 500,779.73, 751,920.06 and 433,519.23 is: 650,928.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,779.73 : 751,920.06 = 433,519.23 : x
  2. Step 2: Convert to fraction form
    500,779.73/751,920.06 = 433,519.23/x
  3. Step 3: Cross multiply
    500,779.73x = 751,920.06 × 433,519.23
  4. Step 4: Simplify right side
    500,779.73x = 325,971,805,432.75
  5. Step 5: Solve for x
    x = 325,971,805,432.75/500,779.73
  6. Step 6: Final answer
    x = 650,928.51

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Double scale
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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.