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Finding the Fourth Proportional to 302,595.41, 452,628.96 and 212,631.79

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Solution

The fourth proportional to 302,595.41, 452,628.96 and 212,631.79 is: 318,059.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,595.41 : 452,628.96 = 212,631.79 : x
  2. Step 2: Convert to fraction form
    302,595.41/452,628.96 = 212,631.79/x
  3. Step 3: Cross multiply
    302,595.41x = 452,628.96 × 212,631.79
  4. Step 4: Simplify right side
    302,595.41x = 96,243,305,970.64
  5. Step 5: Solve for x
    x = 96,243,305,970.64/302,595.41
  6. Step 6: Final answer
    x = 318,059.38

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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.