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Finding the Fourth Proportional to 492,090.40, 736,969.20 and 492,090.40

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Solution

The fourth proportional to 492,090.40, 736,969.20 and 492,090.40 is: 736,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,090.40 : 736,969.20 = 492,090.40 : x
  2. Step 2: Convert to fraction form
    492,090.40/736,969.20 = 492,090.40/x
  3. Step 3: Cross multiply
    492,090.40x = 736,969.20 × 492,090.40
  4. Step 4: Simplify right side
    492,090.40x = 362,655,468,415.68
  5. Step 5: Solve for x
    x = 362,655,468,415.68/492,090.40
  6. Step 6: Final answer
    x = 736,969.20

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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.