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Finding the Fourth Proportional to 863,322.80, 1,295,291.40 and 832,602.80

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Solution

The fourth proportional to 863,322.80, 1,295,291.40 and 832,602.80 is: 1,249,200.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,322.80 : 1,295,291.40 = 832,602.80 : x
  2. Step 2: Convert to fraction form
    863,322.80/1,295,291.40 = 832,602.80/x
  3. Step 3: Cross multiply
    863,322.80x = 1,295,291.40 × 832,602.80
  4. Step 4: Simplify right side
    863,322.80x = 1,078,463,246,455.92
  5. Step 5: Solve for x
    x = 1,078,463,246,455.92/863,322.80
  6. Step 6: Final answer
    x = 1,249,200.47

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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.