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Finding the Fourth Proportional to 514,008.05, 770,503.46 and 243,661.34

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Solution

The fourth proportional to 514,008.05, 770,503.46 and 243,661.34 is: 365,250.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,008.05 : 770,503.46 = 243,661.34 : x
  2. Step 2: Convert to fraction form
    514,008.05/770,503.46 = 243,661.34/x
  3. Step 3: Cross multiply
    514,008.05x = 770,503.46 × 243,661.34
  4. Step 4: Simplify right side
    514,008.05x = 187,741,906,246.19
  5. Step 5: Solve for x
    x = 187,741,906,246.19/514,008.05
  6. Step 6: Final answer
    x = 365,250.91

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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.