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Finding the Fourth Proportional to 304,355.67, 456,528.88 and 104,677.78

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Solution

The fourth proportional to 304,355.67, 456,528.88 and 104,677.78 is: 157,015.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,355.67 : 456,528.88 = 104,677.78 : x
  2. Step 2: Convert to fraction form
    304,355.67/456,528.88 = 104,677.78/x
  3. Step 3: Cross multiply
    304,355.67x = 456,528.88 × 104,677.78
  4. Step 4: Simplify right side
    304,355.67x = 47,788,429,509.80
  5. Step 5: Solve for x
    x = 47,788,429,509.80/304,355.67
  6. Step 6: Final answer
    x = 157,015.08

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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.