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Finding the Fourth Proportional to 1,250,167.03, 1,724,880.43 and 785,071.03

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Solution

The fourth proportional to 1,250,167.03, 1,724,880.43 and 785,071.03 is: 1,083,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,167.03 : 1,724,880.43 = 785,071.03 : x
  2. Step 2: Convert to fraction form
    1,250,167.03/1,724,880.43 = 785,071.03/x
  3. Step 3: Cross multiply
    1,250,167.03x = 1,724,880.43 × 785,071.03
  4. Step 4: Simplify right side
    1,250,167.03x = 1,354,153,655,806.94
  5. Step 5: Solve for x
    x = 1,354,153,655,806.94/1,250,167.03
  6. Step 6: Final answer
    x = 1,083,178.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.