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Finding the Fourth Proportional to 609,908.58, 841,678.80 and 337,981.05

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Solution

The fourth proportional to 609,908.58, 841,678.80 and 337,981.05 is: 466,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,908.58 : 841,678.80 = 337,981.05 : x
  2. Step 2: Convert to fraction form
    609,908.58/841,678.80 = 337,981.05/x
  3. Step 3: Cross multiply
    609,908.58x = 841,678.80 × 337,981.05
  4. Step 4: Simplify right side
    609,908.58x = 284,471,484,586.74
  5. Step 5: Solve for x
    x = 284,471,484,586.74/609,908.58
  6. Step 6: Final answer
    x = 466,416.60

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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.