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Finding the Fourth Proportional to 266,737.44, 368,056.80 and 153,538.32

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Solution

The fourth proportional to 266,737.44, 368,056.80 and 153,538.32 is: 211,859.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,737.44 : 368,056.80 = 153,538.32 : x
  2. Step 2: Convert to fraction form
    266,737.44/368,056.80 = 153,538.32/x
  3. Step 3: Cross multiply
    266,737.44x = 368,056.80 × 153,538.32
  4. Step 4: Simplify right side
    266,737.44x = 56,510,822,736.58
  5. Step 5: Solve for x
    x = 56,510,822,736.58/266,737.44
  6. Step 6: Final answer
    x = 211,859.36

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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.