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Finding the Fourth Proportional to 341,785.60, 512,673.60 and 154,796.80

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Solution

The fourth proportional to 341,785.60, 512,673.60 and 154,796.80 is: 232,193.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,785.60 : 512,673.60 = 154,796.80 : x
  2. Step 2: Convert to fraction form
    341,785.60/512,673.60 = 154,796.80/x
  3. Step 3: Cross multiply
    341,785.60x = 512,673.60 × 154,796.80
  4. Step 4: Simplify right side
    341,785.60x = 79,360,232,724.48
  5. Step 5: Solve for x
    x = 79,360,232,724.48/341,785.60
  6. Step 6: Final answer
    x = 232,193.03

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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.