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Finding the Fourth Proportional to 468,504.64, 646,531.92 and 253,639.12

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Solution

The fourth proportional to 468,504.64, 646,531.92 and 253,639.12 is: 350,019.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,504.64 : 646,531.92 = 253,639.12 : x
  2. Step 2: Convert to fraction form
    468,504.64/646,531.92 = 253,639.12/x
  3. Step 3: Cross multiply
    468,504.64x = 646,531.92 × 253,639.12
  4. Step 4: Simplify right side
    468,504.64x = 163,985,787,240.71
  5. Step 5: Solve for x
    x = 163,985,787,240.71/468,504.64
  6. Step 6: Final answer
    x = 350,019.56

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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.