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Finding the Fourth Proportional to 379,891.98, 524,354.58 and 236,567.34

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Solution

The fourth proportional to 379,891.98, 524,354.58 and 236,567.34 is: 326,527.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,891.98 : 524,354.58 = 236,567.34 : x
  2. Step 2: Convert to fraction form
    379,891.98/524,354.58 = 236,567.34/x
  3. Step 3: Cross multiply
    379,891.98x = 524,354.58 × 236,567.34
  4. Step 4: Simplify right side
    379,891.98x = 124,045,168,207.42
  5. Step 5: Solve for x
    x = 124,045,168,207.42/379,891.98
  6. Step 6: Final answer
    x = 326,527.47

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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.