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Finding the Fourth Proportional to 372,809.27, 514,482.48 and 203,043.39

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Solution

The fourth proportional to 372,809.27, 514,482.48 and 203,043.39 is: 280,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,809.27 : 514,482.48 = 203,043.39 : x
  2. Step 2: Convert to fraction form
    372,809.27/514,482.48 = 203,043.39/x
  3. Step 3: Cross multiply
    372,809.27x = 514,482.48 × 203,043.39
  4. Step 4: Simplify right side
    372,809.27x = 104,462,266,834.81
  5. Step 5: Solve for x
    x = 104,462,266,834.81/372,809.27
  6. Step 6: Final answer
    x = 280,202.98

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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.