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Finding the Fourth Proportional to 610,522.39, 842,571.34 and 338,677.93

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Solution

The fourth proportional to 610,522.39, 842,571.34 and 338,677.93 is: 467,403.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,522.39 : 842,571.34 = 338,677.93 : x
  2. Step 2: Convert to fraction form
    610,522.39/842,571.34 = 338,677.93/x
  3. Step 3: Cross multiply
    610,522.39x = 842,571.34 × 338,677.93
  4. Step 4: Simplify right side
    610,522.39x = 285,360,317,308.53
  5. Step 5: Solve for x
    x = 285,360,317,308.53/610,522.39
  6. Step 6: Final answer
    x = 467,403.53

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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.