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Finding the Fourth Proportional to 608,970.84, 840,353.90 and 337,013.30

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Solution

The fourth proportional to 608,970.84, 840,353.90 and 337,013.30 is: 465,064.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,970.84 : 840,353.90 = 337,013.30 : x
  2. Step 2: Convert to fraction form
    608,970.84/840,353.90 = 337,013.30/x
  3. Step 3: Cross multiply
    608,970.84x = 840,353.90 × 337,013.30
  4. Step 4: Simplify right side
    608,970.84x = 283,210,441,006.87
  5. Step 5: Solve for x
    x = 283,210,441,006.87/608,970.84
  6. Step 6: Final answer
    x = 465,064.04

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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.