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Finding the Fourth Proportional to 372,048.72, 557,459.64 and 214,409.68

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Solution

The fourth proportional to 372,048.72, 557,459.64 and 214,409.68 is: 321,261.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,048.72 : 557,459.64 = 214,409.68 : x
  2. Step 2: Convert to fraction form
    372,048.72/557,459.64 = 214,409.68/x
  3. Step 3: Cross multiply
    372,048.72x = 557,459.64 × 214,409.68
  4. Step 4: Simplify right side
    372,048.72x = 119,524,743,025.32
  5. Step 5: Solve for x
    x = 119,524,743,025.32/372,048.72
  6. Step 6: Final answer
    x = 321,261.00

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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.