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Finding the Fourth Proportional to 846,532.80, 1,186,804.80 and 846,532.80

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Solution

The fourth proportional to 846,532.80, 1,186,804.80 and 846,532.80 is: 1,186,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,532.80 : 1,186,804.80 = 846,532.80 : x
  2. Step 2: Convert to fraction form
    846,532.80/1,186,804.80 = 846,532.80/x
  3. Step 3: Cross multiply
    846,532.80x = 1,186,804.80 × 846,532.80
  4. Step 4: Simplify right side
    846,532.80x = 1,004,669,190,397.44
  5. Step 5: Solve for x
    x = 1,004,669,190,397.44/846,532.80
  6. Step 6: Final answer
    x = 1,186,804.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.