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Finding the Fourth Proportional to 608,871.80, 840,222.39 and 336,951.15

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Solution

The fourth proportional to 608,871.80, 840,222.39 and 336,951.15 is: 464,981.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,871.80 : 840,222.39 = 336,951.15 : x
  2. Step 2: Convert to fraction form
    608,871.80/840,222.39 = 336,951.15/x
  3. Step 3: Cross multiply
    608,871.80x = 840,222.39 × 336,951.15
  4. Step 4: Simplify right side
    608,871.80x = 283,113,900,566.25
  5. Step 5: Solve for x
    x = 283,113,900,566.25/608,871.80
  6. Step 6: Final answer
    x = 464,981.14

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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.