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Finding the Fourth Proportional to 265,112.57, 398,333.16 and 249,169.34

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Solution

The fourth proportional to 265,112.57, 398,333.16 and 249,169.34 is: 374,378.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,112.57 : 398,333.16 = 249,169.34 : x
  2. Step 2: Convert to fraction form
    265,112.57/398,333.16 = 249,169.34/x
  3. Step 3: Cross multiply
    265,112.57x = 398,333.16 × 249,169.34
  4. Step 4: Simplify right side
    265,112.57x = 99,252,410,577.31
  5. Step 5: Solve for x
    x = 99,252,410,577.31/265,112.57
  6. Step 6: Final answer
    x = 374,378.37

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1.5x scale

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.