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Finding the Fourth Proportional to 609,341.50, 840,880.93 and 337,403.54

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Solution

The fourth proportional to 609,341.50, 840,880.93 and 337,403.54 is: 465,611.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,341.50 : 840,880.93 = 337,403.54 : x
  2. Step 2: Convert to fraction form
    609,341.50/840,880.93 = 337,403.54/x
  3. Step 3: Cross multiply
    609,341.50x = 840,880.93 × 337,403.54
  4. Step 4: Simplify right side
    609,341.50x = 283,716,202,267.77
  5. Step 5: Solve for x
    x = 283,716,202,267.77/609,341.50
  6. Step 6: Final answer
    x = 465,611.16

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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.