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Finding the Fourth Proportional to 611,150.60, 843,374.76 and 339,202.64

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Solution

The fourth proportional to 611,150.60, 843,374.76 and 339,202.64 is: 468,092.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,150.60 : 843,374.76 = 339,202.64 : x
  2. Step 2: Convert to fraction form
    611,150.60/843,374.76 = 339,202.64/x
  3. Step 3: Cross multiply
    611,150.60x = 843,374.76 × 339,202.64
  4. Step 4: Simplify right side
    611,150.60x = 286,074,945,101.37
  5. Step 5: Solve for x
    x = 286,074,945,101.37/611,150.60
  6. Step 6: Final answer
    x = 468,092.39

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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.