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Finding the Fourth Proportional to 460,358.64, 635,312.08 and 253,635.43

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Solution

The fourth proportional to 460,358.64, 635,312.08 and 253,635.43 is: 350,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,358.64 : 635,312.08 = 253,635.43 : x
  2. Step 2: Convert to fraction form
    460,358.64/635,312.08 = 253,635.43/x
  3. Step 3: Cross multiply
    460,358.64x = 635,312.08 × 253,635.43
  4. Step 4: Simplify right side
    460,358.64x = 161,137,652,594.99
  5. Step 5: Solve for x
    x = 161,137,652,594.99/460,358.64
  6. Step 6: Final answer
    x = 350,026.35

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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.