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Finding the Fourth Proportional to 468,256.27, 646,193.66 and 253,396.34

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Solution

The fourth proportional to 468,256.27, 646,193.66 and 253,396.34 is: 349,686.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,256.27 : 646,193.66 = 253,396.34 : x
  2. Step 2: Convert to fraction form
    468,256.27/646,193.66 = 253,396.34/x
  3. Step 3: Cross multiply
    468,256.27x = 646,193.66 × 253,396.34
  4. Step 4: Simplify right side
    468,256.27x = 163,743,103,877.25
  5. Step 5: Solve for x
    x = 163,743,103,877.25/468,256.27
  6. Step 6: Final answer
    x = 349,686.95

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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.