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Finding the Fourth Proportional to 882,326.22, 1,323,489.57 and 217,478.22

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Solution

The fourth proportional to 882,326.22, 1,323,489.57 and 217,478.22 is: 326,217.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,326.22 : 1,323,489.57 = 217,478.22 : x
  2. Step 2: Convert to fraction form
    882,326.22/1,323,489.57 = 217,478.22/x
  3. Step 3: Cross multiply
    882,326.22x = 1,323,489.57 × 217,478.22
  4. Step 4: Simplify right side
    882,326.22x = 287,830,155,872.17
  5. Step 5: Solve for x
    x = 287,830,155,872.17/882,326.22
  6. Step 6: Final answer
    x = 326,217.39

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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.