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Finding the Fourth Proportional to 966,886.60, 1,450,329.90 and 859,059.40

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Solution

The fourth proportional to 966,886.60, 1,450,329.90 and 859,059.40 is: 1,288,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,886.60 : 1,450,329.90 = 859,059.40 : x
  2. Step 2: Convert to fraction form
    966,886.60/1,450,329.90 = 859,059.40/x
  3. Step 3: Cross multiply
    966,886.60x = 1,450,329.90 × 859,059.40
  4. Step 4: Simplify right side
    966,886.60x = 1,245,919,533,696.06
  5. Step 5: Solve for x
    x = 1,245,919,533,696.06/966,886.60
  6. Step 6: Final answer
    x = 1,288,589.10

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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.