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Finding the Fourth Proportional to 468,568.40, 646,624.66 and 253,708.60

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Solution

The fourth proportional to 468,568.40, 646,624.66 and 253,708.60 is: 350,118.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,568.40 : 646,624.66 = 253,708.60 : x
  2. Step 2: Convert to fraction form
    468,568.40/646,624.66 = 253,708.60/x
  3. Step 3: Cross multiply
    468,568.40x = 646,624.66 × 253,708.60
  4. Step 4: Simplify right side
    468,568.40x = 164,054,237,214.08
  5. Step 5: Solve for x
    x = 164,054,237,214.08/468,568.40
  6. Step 6: Final answer
    x = 350,118.01

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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.