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Finding the Fourth Proportional to 351,187.37, 484,639.84 and 190,042.40

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Solution

The fourth proportional to 351,187.37, 484,639.84 and 190,042.40 is: 262,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,187.37 : 484,639.84 = 190,042.40 : x
  2. Step 2: Convert to fraction form
    351,187.37/484,639.84 = 190,042.40/x
  3. Step 3: Cross multiply
    351,187.37x = 484,639.84 × 190,042.40
  4. Step 4: Simplify right side
    351,187.37x = 92,102,118,329.22
  5. Step 5: Solve for x
    x = 92,102,118,329.22/351,187.37
  6. Step 6: Final answer
    x = 262,259.20

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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.