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Finding the Fourth Proportional to 303,213.81, 454,925.60 and 103,674.67

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Solution

The fourth proportional to 303,213.81, 454,925.60 and 103,674.67 is: 155,547.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,213.81 : 454,925.60 = 103,674.67 : x
  2. Step 2: Convert to fraction form
    303,213.81/454,925.60 = 103,674.67/x
  3. Step 3: Cross multiply
    303,213.81x = 454,925.60 × 103,674.67
  4. Step 4: Simplify right side
    303,213.81x = 47,164,260,187.64
  5. Step 5: Solve for x
    x = 47,164,260,187.64/303,213.81
  6. Step 6: Final answer
    x = 155,547.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.