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Finding the Fourth Proportional to 1,570,969, 2,167,937.22 and 855,577

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Solution

The fourth proportional to 1,570,969, 2,167,937.22 and 855,577 is: 1,180,696.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,969 : 2,167,937.22 = 855,577 : x
  2. Step 2: Convert to fraction form
    1,570,969/2,167,937.22 = 855,577/x
  3. Step 3: Cross multiply
    1,570,969x = 2,167,937.22 × 855,577
  4. Step 4: Simplify right side
    1,570,969x = 1,854,837,222,875.94
  5. Step 5: Solve for x
    x = 1,854,837,222,875.94/1,570,969
  6. Step 6: Final answer
    x = 1,180,696.26

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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.