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Finding the Fourth Proportional to 445,809.37, 615,274.96 and 249,650.56

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Solution

The fourth proportional to 445,809.37, 615,274.96 and 249,650.56 is: 344,550.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,809.37 : 615,274.96 = 249,650.56 : x
  2. Step 2: Convert to fraction form
    445,809.37/615,274.96 = 249,650.56/x
  3. Step 3: Cross multiply
    445,809.37x = 615,274.96 × 249,650.56
  4. Step 4: Simplify right side
    445,809.37x = 153,603,735,382.35
  5. Step 5: Solve for x
    x = 153,603,735,382.35/445,809.37
  6. Step 6: Final answer
    x = 344,550.27

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1.5x scale

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.