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Finding the Fourth Proportional to 234,925, 324,465.60 and 154,711.06

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Solution

The fourth proportional to 234,925, 324,465.60 and 154,711.06 is: 213,678.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,925 : 324,465.60 = 154,711.06 : x
  2. Step 2: Convert to fraction form
    234,925/324,465.60 = 154,711.06/x
  3. Step 3: Cross multiply
    234,925x = 324,465.60 × 154,711.06
  4. Step 4: Simplify right side
    234,925x = 50,198,416,909.54
  5. Step 5: Solve for x
    x = 50,198,416,909.54/234,925
  6. Step 6: Final answer
    x = 213,678.48

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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.