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Finding the Fourth Proportional to 304,384.89, 456,564.24 and 79,740.35

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Solution

The fourth proportional to 304,384.89, 456,564.24 and 79,740.35 is: 119,607.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,384.89 : 456,564.24 = 79,740.35 : x
  2. Step 2: Convert to fraction form
    304,384.89/456,564.24 = 79,740.35/x
  3. Step 3: Cross multiply
    304,384.89x = 456,564.24 × 79,740.35
  4. Step 4: Simplify right side
    304,384.89x = 36,406,592,294.97
  5. Step 5: Solve for x
    x = 36,406,592,294.97/304,384.89
  6. Step 6: Final answer
    x = 119,607.09

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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.