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Finding the Fourth Proportional to 514,290.42, 770,927.09 and 243,944.42

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Solution

The fourth proportional to 514,290.42, 770,927.09 and 243,944.42 is: 365,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,290.42 : 770,927.09 = 243,944.42 : x
  2. Step 2: Convert to fraction form
    514,290.42/770,927.09 = 243,944.42/x
  3. Step 3: Cross multiply
    514,290.42x = 770,927.09 × 243,944.42
  4. Step 4: Simplify right side
    514,290.42x = 188,063,356,757.98
  5. Step 5: Solve for x
    x = 188,063,356,757.98/514,290.42
  6. Step 6: Final answer
    x = 365,675.40

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1.5x scale

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.