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Finding the Fourth Proportional to 438,364.72, 604,937.34 and 244,775.42

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Solution

The fourth proportional to 438,364.72, 604,937.34 and 244,775.42 is: 337,786.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,364.72 : 604,937.34 = 244,775.42 : x
  2. Step 2: Convert to fraction form
    438,364.72/604,937.34 = 244,775.42/x
  3. Step 3: Cross multiply
    438,364.72x = 604,937.34 × 244,775.42
  4. Step 4: Simplify right side
    438,364.72x = 148,073,791,472.18
  5. Step 5: Solve for x
    x = 148,073,791,472.18/438,364.72
  6. Step 6: Final answer
    x = 337,786.74

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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.