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Finding the Fourth Proportional to 371,444.80, 557,102.40 and 134,665.60

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Solution

The fourth proportional to 371,444.80, 557,102.40 and 134,665.60 is: 201,974.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,444.80 : 557,102.40 = 134,665.60 : x
  2. Step 2: Convert to fraction form
    371,444.80/557,102.40 = 134,665.60/x
  3. Step 3: Cross multiply
    371,444.80x = 557,102.40 × 134,665.60
  4. Step 4: Simplify right side
    371,444.80x = 75,022,528,957.44
  5. Step 5: Solve for x
    x = 75,022,528,957.44/371,444.80
  6. Step 6: Final answer
    x = 201,974.91

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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.