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Finding the Fourth Proportional to 468,475.14, 646,494.97 and 253,615.15

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Solution

The fourth proportional to 468,475.14, 646,494.97 and 253,615.15 is: 349,988.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,475.14 : 646,494.97 = 253,615.15 : x
  2. Step 2: Convert to fraction form
    468,475.14/646,494.97 = 253,615.15/x
  3. Step 3: Cross multiply
    468,475.14x = 646,494.97 × 253,615.15
  4. Step 4: Simplify right side
    468,475.14x = 163,960,919,440.41
  5. Step 5: Solve for x
    x = 163,960,919,440.41/468,475.14
  6. Step 6: Final answer
    x = 349,988.51

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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.