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Finding the Fourth Proportional to 553,886.88, 764,365.98 and 350,028.41

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Solution

The fourth proportional to 553,886.88, 764,365.98 and 350,028.41 is: 483,040.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,886.88 : 764,365.98 = 350,028.41 : x
  2. Step 2: Convert to fraction form
    553,886.88/764,365.98 = 350,028.41/x
  3. Step 3: Cross multiply
    553,886.88x = 764,365.98 × 350,028.41
  4. Step 4: Simplify right side
    553,886.88x = 267,549,806,128.27
  5. Step 5: Solve for x
    x = 267,549,806,128.27/553,886.88
  6. Step 6: Final answer
    x = 483,040.52

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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.