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Finding the Fourth Proportional to 370,620.50, 511,511.19 and 234,667.09

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Solution

The fourth proportional to 370,620.50, 511,511.19 and 234,667.09 is: 323,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,620.50 : 511,511.19 = 234,667.09 : x
  2. Step 2: Convert to fraction form
    370,620.50/511,511.19 = 234,667.09/x
  3. Step 3: Cross multiply
    370,620.50x = 511,511.19 × 234,667.09
  4. Step 4: Simplify right side
    370,620.50x = 120,034,839,902.18
  5. Step 5: Solve for x
    x = 120,034,839,902.18/370,620.50
  6. Step 6: Final answer
    x = 323,875.34

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1.5x scale

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.