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Finding the Fourth Proportional to 304,368, 420,029.28 and 170,232

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Solution

The fourth proportional to 304,368, 420,029.28 and 170,232 is: 234,920.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,368 : 420,029.28 = 170,232 : x
  2. Step 2: Convert to fraction form
    304,368/420,029.28 = 170,232/x
  3. Step 3: Cross multiply
    304,368x = 420,029.28 × 170,232
  4. Step 4: Simplify right side
    304,368x = 71,502,424,392.96
  5. Step 5: Solve for x
    x = 71,502,424,392.96/304,368
  6. Step 6: Final answer
    x = 234,920.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.