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Finding the Fourth Proportional to 304,463.32, 420,160.16 and 168,506.62

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Solution

The fourth proportional to 304,463.32, 420,160.16 and 168,506.62 is: 232,539.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,463.32 : 420,160.16 = 168,506.62 : x
  2. Step 2: Convert to fraction form
    304,463.32/420,160.16 = 168,506.62/x
  3. Step 3: Cross multiply
    304,463.32x = 420,160.16 × 168,506.62
  4. Step 4: Simplify right side
    304,463.32x = 70,799,767,577.73
  5. Step 5: Solve for x
    x = 70,799,767,577.73/304,463.32
  6. Step 6: Final answer
    x = 232,539.56

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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.