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Finding the Fourth Proportional to 374,241.49, 516,682.12 and 243,543.67

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Solution

The fourth proportional to 374,241.49, 516,682.12 and 243,543.67 is: 336,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,241.49 : 516,682.12 = 243,543.67 : x
  2. Step 2: Convert to fraction form
    374,241.49/516,682.12 = 243,543.67/x
  3. Step 3: Cross multiply
    374,241.49x = 516,682.12 × 243,543.67
  4. Step 4: Simplify right side
    374,241.49x = 125,834,661,190.60
  5. Step 5: Solve for x
    x = 125,834,661,190.60/374,241.49
  6. Step 6: Final answer
    x = 336,239.21

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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.