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Finding the Fourth Proportional to 671,846.13, 927,147.60 and 370,040.13

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Solution

The fourth proportional to 671,846.13, 927,147.60 and 370,040.13 is: 510,655.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,846.13 : 927,147.60 = 370,040.13 : x
  2. Step 2: Convert to fraction form
    671,846.13/927,147.60 = 370,040.13/x
  3. Step 3: Cross multiply
    671,846.13x = 927,147.60 × 370,040.13
  4. Step 4: Simplify right side
    671,846.13x = 343,081,818,433.19
  5. Step 5: Solve for x
    x = 343,081,818,433.19/671,846.13
  6. Step 6: Final answer
    x = 510,655.35

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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.