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Finding the Fourth Proportional to 671,915.52, 927,243.45 and 370,109.52

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Solution

The fourth proportional to 671,915.52, 927,243.45 and 370,109.52 is: 510,751.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,915.52 : 927,243.45 = 370,109.52 : x
  2. Step 2: Convert to fraction form
    671,915.52/927,243.45 = 370,109.52/x
  3. Step 3: Cross multiply
    671,915.52x = 927,243.45 × 370,109.52
  4. Step 4: Simplify right side
    671,915.52x = 343,181,628,202.64
  5. Step 5: Solve for x
    x = 343,181,628,202.64/671,915.52
  6. Step 6: Final answer
    x = 510,751.16

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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.