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Finding the Fourth Proportional to 304,130.80, 456,293.40 and 104,579.20

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Solution

The fourth proportional to 304,130.80, 456,293.40 and 104,579.20 is: 156,902.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,130.80 : 456,293.40 = 104,579.20 : x
  2. Step 2: Convert to fraction form
    304,130.80/456,293.40 = 104,579.20/x
  3. Step 3: Cross multiply
    304,130.80x = 456,293.40 × 104,579.20
  4. Step 4: Simplify right side
    304,130.80x = 47,718,798,737.28
  5. Step 5: Solve for x
    x = 47,718,798,737.28/304,130.80
  6. Step 6: Final answer
    x = 156,902.22

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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.