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Finding the Fourth Proportional to 372,455.10, 514,043.37 and 219,444.37

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Solution

The fourth proportional to 372,455.10, 514,043.37 and 219,444.37 is: 302,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,455.10 : 514,043.37 = 219,444.37 : x
  2. Step 2: Convert to fraction form
    372,455.10/514,043.37 = 219,444.37/x
  3. Step 3: Cross multiply
    372,455.10x = 514,043.37 × 219,444.37
  4. Step 4: Simplify right side
    372,455.10x = 112,803,923,482.33
  5. Step 5: Solve for x
    x = 112,803,923,482.33/372,455.10
  6. Step 6: Final answer
    x = 302,865.83

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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.