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Finding the Fourth Proportional to 514,141.34, 770,703.53 and 243,793.92

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Solution

The fourth proportional to 514,141.34, 770,703.53 and 243,793.92 is: 365,449.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,141.34 : 770,703.53 = 243,793.92 : x
  2. Step 2: Convert to fraction form
    514,141.34/770,703.53 = 243,793.92/x
  3. Step 3: Cross multiply
    514,141.34x = 770,703.53 × 243,793.92
  4. Step 4: Simplify right side
    514,141.34x = 187,892,830,273.54
  5. Step 5: Solve for x
    x = 187,892,830,273.54/514,141.34
  6. Step 6: Final answer
    x = 365,449.76

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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.