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Finding the Fourth Proportional to 469,275.88, 647,592.24 and 265,323.28

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Solution

The fourth proportional to 469,275.88, 647,592.24 and 265,323.28 is: 366,141.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,275.88 : 647,592.24 = 265,323.28 : x
  2. Step 2: Convert to fraction form
    469,275.88/647,592.24 = 265,323.28/x
  3. Step 3: Cross multiply
    469,275.88x = 647,592.24 × 265,323.28
  4. Step 4: Simplify right side
    469,275.88x = 171,821,297,219.35
  5. Step 5: Solve for x
    x = 171,821,297,219.35/469,275.88
  6. Step 6: Final answer
    x = 366,141.34

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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.