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Finding the Fourth Proportional to 468,660.64, 646,752.32 and 253,801.04

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Solution

The fourth proportional to 468,660.64, 646,752.32 and 253,801.04 is: 350,245.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,660.64 : 646,752.32 = 253,801.04 : x
  2. Step 2: Convert to fraction form
    468,660.64/646,752.32 = 253,801.04/x
  3. Step 3: Cross multiply
    468,660.64x = 646,752.32 × 253,801.04
  4. Step 4: Simplify right side
    468,660.64x = 164,146,411,438.41
  5. Step 5: Solve for x
    x = 164,146,411,438.41/468,660.64
  6. Step 6: Final answer
    x = 350,245.78

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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.