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Finding the Fourth Proportional to 438,164.84, 604,695.48 and 247,108.52

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Solution

The fourth proportional to 438,164.84, 604,695.48 and 247,108.52 is: 341,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,164.84 : 604,695.48 = 247,108.52 : x
  2. Step 2: Convert to fraction form
    438,164.84/604,695.48 = 247,108.52/x
  3. Step 3: Cross multiply
    438,164.84x = 604,695.48 × 247,108.52
  4. Step 4: Simplify right side
    438,164.84x = 149,425,405,698.57
  5. Step 5: Solve for x
    x = 149,425,405,698.57/438,164.84
  6. Step 6: Final answer
    x = 341,025.55

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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.