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Finding the Fourth Proportional to 304,458.56, 420,153.61 and 168,501.88

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Solution

The fourth proportional to 304,458.56, 420,153.61 and 168,501.88 is: 232,533.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,458.56 : 420,153.61 = 168,501.88 : x
  2. Step 2: Convert to fraction form
    304,458.56/420,153.61 = 168,501.88/x
  3. Step 3: Cross multiply
    304,458.56x = 420,153.61 × 168,501.88
  4. Step 4: Simplify right side
    304,458.56x = 70,796,671,702.15
  5. Step 5: Solve for x
    x = 70,796,671,702.15/304,458.56
  6. Step 6: Final answer
    x = 232,533.03

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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.