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Finding the Fourth Proportional to 450,598.44, 621,783.64 and 269,274.28

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Solution

The fourth proportional to 450,598.44, 621,783.64 and 269,274.28 is: 371,573.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,598.44 : 621,783.64 = 269,274.28 : x
  2. Step 2: Convert to fraction form
    450,598.44/621,783.64 = 269,274.28/x
  3. Step 3: Cross multiply
    450,598.44x = 621,783.64 × 269,274.28
  4. Step 4: Simplify right side
    450,598.44x = 167,430,341,976.78
  5. Step 5: Solve for x
    x = 167,430,341,976.78/450,598.44
  6. Step 6: Final answer
    x = 371,573.28

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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.