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Finding the Fourth Proportional to 266,763.44, 368,092.68 and 153,564.32

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Solution

The fourth proportional to 266,763.44, 368,092.68 and 153,564.32 is: 211,895.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,763.44 : 368,092.68 = 153,564.32 : x
  2. Step 2: Convert to fraction form
    266,763.44/368,092.68 = 153,564.32/x
  3. Step 3: Cross multiply
    266,763.44x = 368,092.68 × 153,564.32
  4. Step 4: Simplify right side
    266,763.44x = 56,525,902,101.18
  5. Step 5: Solve for x
    x = 56,525,902,101.18/266,763.44
  6. Step 6: Final answer
    x = 211,895.24

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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.