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Finding the Fourth Proportional to 609,291.62, 840,869.78 and 337,384.82

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Solution

The fourth proportional to 609,291.62, 840,869.78 and 337,384.82 is: 465,617.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,291.62 : 840,869.78 = 337,384.82 : x
  2. Step 2: Convert to fraction form
    609,291.62/840,869.78 = 337,384.82/x
  3. Step 3: Cross multiply
    609,291.62x = 840,869.78 × 337,384.82
  4. Step 4: Simplify right side
    609,291.62x = 283,696,699,368.74
  5. Step 5: Solve for x
    x = 283,696,699,368.74/609,291.62
  6. Step 6: Final answer
    x = 465,617.27

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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.