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Finding the Fourth Proportional to 671,846.16, 927,147.71 and 370,040.16

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Solution

The fourth proportional to 671,846.16, 927,147.71 and 370,040.16 is: 510,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,846.16 : 927,147.71 = 370,040.16 : x
  2. Step 2: Convert to fraction form
    671,846.16/927,147.71 = 370,040.16/x
  3. Step 3: Cross multiply
    671,846.16x = 927,147.71 × 370,040.16
  4. Step 4: Simplify right side
    671,846.16x = 343,081,886,952.03
  5. Step 5: Solve for x
    x = 343,081,886,952.03/671,846.16
  6. Step 6: Final answer
    x = 510,655.43

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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.