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Finding the Fourth Proportional to 374,204.37, 516,402.54 and 213,059.49

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Solution

The fourth proportional to 374,204.37, 516,402.54 and 213,059.49 is: 294,022.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,204.37 : 516,402.54 = 213,059.49 : x
  2. Step 2: Convert to fraction form
    374,204.37/516,402.54 = 213,059.49/x
  3. Step 3: Cross multiply
    374,204.37x = 516,402.54 × 213,059.49
  4. Step 4: Simplify right side
    374,204.37x = 110,024,461,807.11
  5. Step 5: Solve for x
    x = 110,024,461,807.11/374,204.37
  6. Step 6: Final answer
    x = 294,022.39

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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.