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Finding the Fourth Proportional to 304,374.50, 420,037.29 and 168,414.17

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Solution

The fourth proportional to 304,374.50, 420,037.29 and 168,414.17 is: 232,411.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,374.50 : 420,037.29 = 168,414.17 : x
  2. Step 2: Convert to fraction form
    304,374.50/420,037.29 = 168,414.17/x
  3. Step 3: Cross multiply
    304,374.50x = 420,037.29 × 168,414.17
  4. Step 4: Simplify right side
    304,374.50x = 70,740,229,464.21
  5. Step 5: Solve for x
    x = 70,740,229,464.21/304,374.50
  6. Step 6: Final answer
    x = 232,411.82

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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.