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Finding the Fourth Proportional to 304,361.56, 420,153.47 and 181,897.14

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Solution

The fourth proportional to 304,361.56, 420,153.47 and 181,897.14 is: 251,098.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,361.56 : 420,153.47 = 181,897.14 : x
  2. Step 2: Convert to fraction form
    304,361.56/420,153.47 = 181,897.14/x
  3. Step 3: Cross multiply
    304,361.56x = 420,153.47 × 181,897.14
  4. Step 4: Simplify right side
    304,361.56x = 76,424,714,554.08
  5. Step 5: Solve for x
    x = 76,424,714,554.08/304,361.56
  6. Step 6: Final answer
    x = 251,098.45

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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.