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Finding the Fourth Proportional to 462,622.68, 693,568.29 and 303,688.53

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Solution

The fourth proportional to 462,622.68, 693,568.29 and 303,688.53 is: 455,292.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,622.68 : 693,568.29 = 303,688.53 : x
  2. Step 2: Convert to fraction form
    462,622.68/693,568.29 = 303,688.53/x
  3. Step 3: Cross multiply
    462,622.68x = 693,568.29 × 303,688.53
  4. Step 4: Simplify right side
    462,622.68x = 210,628,734,444.71
  5. Step 5: Solve for x
    x = 210,628,734,444.71/462,622.68
  6. Step 6: Final answer
    x = 455,292.71

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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.