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Finding the Fourth Proportional to 303,496.92, 418,741.86 and 174,428.67

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Solution

The fourth proportional to 303,496.92, 418,741.86 and 174,428.67 is: 240,663.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,496.92 : 418,741.86 = 174,428.67 : x
  2. Step 2: Convert to fraction form
    303,496.92/418,741.86 = 174,428.67/x
  3. Step 3: Cross multiply
    303,496.92x = 418,741.86 × 174,428.67
  4. Step 4: Simplify right side
    303,496.92x = 73,040,585,713.13
  5. Step 5: Solve for x
    x = 73,040,585,713.13/303,496.92
  6. Step 6: Final answer
    x = 240,663.35

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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.