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Finding the Fourth Proportional to 266,844.32, 368,290.32 and 153,646.24

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Solution

The fourth proportional to 266,844.32, 368,290.32 and 153,646.24 is: 212,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,844.32 : 368,290.32 = 153,646.24 : x
  2. Step 2: Convert to fraction form
    266,844.32/368,290.32 = 153,646.24/x
  3. Step 3: Cross multiply
    266,844.32x = 368,290.32 × 153,646.24
  4. Step 4: Simplify right side
    266,844.32x = 56,586,422,896.40
  5. Step 5: Solve for x
    x = 56,586,422,896.40/266,844.32
  6. Step 6: Final answer
    x = 212,057.81

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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.