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Finding the Fourth Proportional to 341,969.37, 512,962.83 and 162,012.63

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Solution

The fourth proportional to 341,969.37, 512,962.83 and 162,012.63 is: 243,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,969.37 : 512,962.83 = 162,012.63 : x
  2. Step 2: Convert to fraction form
    341,969.37/512,962.83 = 162,012.63/x
  3. Step 3: Cross multiply
    341,969.37x = 512,962.83 × 162,012.63
  4. Step 4: Simplify right side
    341,969.37x = 83,106,457,180.54
  5. Step 5: Solve for x
    x = 83,106,457,180.54/341,969.37
  6. Step 6: Final answer
    x = 243,023.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.