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Finding the Fourth Proportional to 609,429.42, 840,893.30 and 337,484.17

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Solution

The fourth proportional to 609,429.42, 840,893.30 and 337,484.17 is: 465,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,429.42 : 840,893.30 = 337,484.17 : x
  2. Step 2: Convert to fraction form
    609,429.42/840,893.30 = 337,484.17/x
  3. Step 3: Cross multiply
    609,429.42x = 840,893.30 × 337,484.17
  4. Step 4: Simplify right side
    609,429.42x = 283,788,178,038.32
  5. Step 5: Solve for x
    x = 283,788,178,038.32/609,429.42
  6. Step 6: Final answer
    x = 465,662.09

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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.