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Finding the Fourth Proportional to 372,570, 558,907.56 and 119,765.76

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Solution

The fourth proportional to 372,570, 558,907.56 and 119,765.76 is: 179,665.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,570 : 558,907.56 = 119,765.76 : x
  2. Step 2: Convert to fraction form
    372,570/558,907.56 = 119,765.76/x
  3. Step 3: Cross multiply
    372,570x = 558,907.56 × 119,765.76
  4. Step 4: Simplify right side
    372,570x = 66,937,988,693.15
  5. Step 5: Solve for x
    x = 66,937,988,693.15/372,570
  6. Step 6: Final answer
    x = 179,665.54

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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.