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Finding the Fourth Proportional to 490,093.11, 734,588.67 and 249,531.77

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Solution

The fourth proportional to 490,093.11, 734,588.67 and 249,531.77 is: 374,017.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,093.11 : 734,588.67 = 249,531.77 : x
  2. Step 2: Convert to fraction form
    490,093.11/734,588.67 = 249,531.77/x
  3. Step 3: Cross multiply
    490,093.11x = 734,588.67 × 249,531.77
  4. Step 4: Simplify right side
    490,093.11x = 183,303,209,799.39
  5. Step 5: Solve for x
    x = 183,303,209,799.39/490,093.11
  6. Step 6: Final answer
    x = 374,017.11

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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.