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Finding the Fourth Proportional to 846,301.80, 1,187,971.80 and 846,301.80

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Solution

The fourth proportional to 846,301.80, 1,187,971.80 and 846,301.80 is: 1,187,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,301.80 : 1,187,971.80 = 846,301.80 : x
  2. Step 2: Convert to fraction form
    846,301.80/1,187,971.80 = 846,301.80/x
  3. Step 3: Cross multiply
    846,301.80x = 1,187,971.80 × 846,301.80
  4. Step 4: Simplify right side
    846,301.80x = 1,005,382,672,689.24
  5. Step 5: Solve for x
    x = 1,005,382,672,689.24/846,301.80
  6. Step 6: Final answer
    x = 1,187,971.80

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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.