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Finding the Fourth Proportional to 304,114.60, 456,128.70 and 104,444.20

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Solution

The fourth proportional to 304,114.60, 456,128.70 and 104,444.20 is: 156,651.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,114.60 : 456,128.70 = 104,444.20 : x
  2. Step 2: Convert to fraction form
    304,114.60/456,128.70 = 104,444.20/x
  3. Step 3: Cross multiply
    304,114.60x = 456,128.70 × 104,444.20
  4. Step 4: Simplify right side
    304,114.60x = 47,639,997,168.54
  5. Step 5: Solve for x
    x = 47,639,997,168.54/304,114.60
  6. Step 6: Final answer
    x = 156,651.46

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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.