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Finding the Fourth Proportional to 351,424.10, 484,963.22 and 190,275.82

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Solution

The fourth proportional to 351,424.10, 484,963.22 and 190,275.82 is: 262,579.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,424.10 : 484,963.22 = 190,275.82 : x
  2. Step 2: Convert to fraction form
    351,424.10/484,963.22 = 190,275.82/x
  3. Step 3: Cross multiply
    351,424.10x = 484,963.22 × 190,275.82
  4. Step 4: Simplify right side
    351,424.10x = 92,276,774,355.34
  5. Step 5: Solve for x
    x = 92,276,774,355.34/351,424.10
  6. Step 6: Final answer
    x = 262,579.53

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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.