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Finding the Fourth Proportional to 863,477.60, 1,295,216.40 and 846,888.80

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Solution

The fourth proportional to 863,477.60, 1,295,216.40 and 846,888.80 is: 1,270,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,477.60 : 1,295,216.40 = 846,888.80 : x
  2. Step 2: Convert to fraction form
    863,477.60/1,295,216.40 = 846,888.80/x
  3. Step 3: Cross multiply
    863,477.60x = 1,295,216.40 × 846,888.80
  4. Step 4: Simplify right side
    863,477.60x = 1,096,904,262,736.32
  5. Step 5: Solve for x
    x = 1,096,904,262,736.32/863,477.60
  6. Step 6: Final answer
    x = 1,270,333.20

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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.