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Finding the Fourth Proportional to 845,519, 1,167,428.58 and 544,237.88

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Solution

The fourth proportional to 845,519, 1,167,428.58 and 544,237.88 is: 751,442.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,519 : 1,167,428.58 = 544,237.88 : x
  2. Step 2: Convert to fraction form
    845,519/1,167,428.58 = 544,237.88/x
  3. Step 3: Cross multiply
    845,519x = 1,167,428.58 × 544,237.88
  4. Step 4: Simplify right side
    845,519x = 635,358,855,430.61
  5. Step 5: Solve for x
    x = 635,358,855,430.61/845,519
  6. Step 6: Final answer
    x = 751,442.43

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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.