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Finding the Fourth Proportional to 886,880.14, 1,330,271.04 and 788,169.88

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Solution

The fourth proportional to 886,880.14, 1,330,271.04 and 788,169.88 is: 1,182,211.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,880.14 : 1,330,271.04 = 788,169.88 : x
  2. Step 2: Convert to fraction form
    886,880.14/1,330,271.04 = 788,169.88/x
  3. Step 3: Cross multiply
    886,880.14x = 1,330,271.04 × 788,169.88
  4. Step 4: Simplify right side
    886,880.14x = 1,048,479,565,964.28
  5. Step 5: Solve for x
    x = 1,048,479,565,964.28/886,880.14
  6. Step 6: Final answer
    x = 1,182,211.12

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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.