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Finding the Fourth Proportional to 1,663,167, 2,295,170.08 and 938,013.16

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Solution

The fourth proportional to 1,663,167, 2,295,170.08 and 938,013.16 is: 1,294,457.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,167 : 2,295,170.08 = 938,013.16 : x
  2. Step 2: Convert to fraction form
    1,663,167/2,295,170.08 = 938,013.16/x
  3. Step 3: Cross multiply
    1,663,167x = 2,295,170.08 × 938,013.16
  4. Step 4: Simplify right side
    1,663,167x = 2,152,899,731,395.29
  5. Step 5: Solve for x
    x = 2,152,899,731,395.29/1,663,167
  6. Step 6: Final answer
    x = 1,294,457.94

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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.