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Finding the Fourth Proportional to 438,092.72, 604,567.95 and 236,888.72

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Solution

The fourth proportional to 438,092.72, 604,567.95 and 236,888.72 is: 326,906.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,092.72 : 604,567.95 = 236,888.72 : x
  2. Step 2: Convert to fraction form
    438,092.72/604,567.95 = 236,888.72/x
  3. Step 3: Cross multiply
    438,092.72x = 604,567.95 × 236,888.72
  4. Step 4: Simplify right side
    438,092.72x = 143,215,327,516.98
  5. Step 5: Solve for x
    x = 143,215,327,516.98/438,092.72
  6. Step 6: Final answer
    x = 326,906.43

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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.