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Finding the Fourth Proportional to 372,776.72, 514,437.36 and 203,010.44

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Solution

The fourth proportional to 372,776.72, 514,437.36 and 203,010.44 is: 280,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,776.72 : 514,437.36 = 203,010.44 : x
  2. Step 2: Convert to fraction form
    372,776.72/514,437.36 = 203,010.44/x
  3. Step 3: Cross multiply
    372,776.72x = 514,437.36 × 203,010.44
  4. Step 4: Simplify right side
    372,776.72x = 104,436,154,806.04
  5. Step 5: Solve for x
    x = 104,436,154,806.04/372,776.72
  6. Step 6: Final answer
    x = 280,157.40

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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.