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Finding the Fourth Proportional to 351,220.54, 484,685.58 and 190,075.54

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Solution

The fourth proportional to 351,220.54, 484,685.58 and 190,075.54 is: 262,304.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,220.54 : 484,685.58 = 190,075.54 : x
  2. Step 2: Convert to fraction form
    351,220.54/484,685.58 = 190,075.54/x
  3. Step 3: Cross multiply
    351,220.54x = 484,685.58 × 190,075.54
  4. Step 4: Simplify right side
    351,220.54x = 92,126,873,348.71
  5. Step 5: Solve for x
    x = 92,126,873,348.71/351,220.54
  6. Step 6: Final answer
    x = 262,304.91

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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.