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Finding the Fourth Proportional to 267,360.40, 401,040.60 and 249,645.70

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Solution

The fourth proportional to 267,360.40, 401,040.60 and 249,645.70 is: 374,468.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,360.40 : 401,040.60 = 249,645.70 : x
  2. Step 2: Convert to fraction form
    267,360.40/401,040.60 = 249,645.70/x
  3. Step 3: Cross multiply
    267,360.40x = 401,040.60 × 249,645.70
  4. Step 4: Simplify right side
    267,360.40x = 100,118,061,315.42
  5. Step 5: Solve for x
    x = 100,118,061,315.42/267,360.40
  6. Step 6: Final answer
    x = 374,468.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.