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Finding the Fourth Proportional to 884,266.80, 1,326,497.40 and 323,422.80

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Solution

The fourth proportional to 884,266.80, 1,326,497.40 and 323,422.80 is: 485,169.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,266.80 : 1,326,497.40 = 323,422.80 : x
  2. Step 2: Convert to fraction form
    884,266.80/1,326,497.40 = 323,422.80/x
  3. Step 3: Cross multiply
    884,266.80x = 1,326,497.40 × 323,422.80
  4. Step 4: Simplify right side
    884,266.80x = 429,019,503,300.72
  5. Step 5: Solve for x
    x = 429,019,503,300.72/884,266.80
  6. Step 6: Final answer
    x = 485,169.75

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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.