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Finding the Fourth Proportional to 304,115.42, 455,875.20 and 169,243.81

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Solution

The fourth proportional to 304,115.42, 455,875.20 and 169,243.81 is: 253,699.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,115.42 : 455,875.20 = 169,243.81 : x
  2. Step 2: Convert to fraction form
    304,115.42/455,875.20 = 169,243.81/x
  3. Step 3: Cross multiply
    304,115.42x = 455,875.20 × 169,243.81
  4. Step 4: Simplify right side
    304,115.42x = 77,154,056,804.93
  5. Step 5: Solve for x
    x = 77,154,056,804.93/304,115.42
  6. Step 6: Final answer
    x = 253,699.92

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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.