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Finding the Fourth Proportional to 460,971.14, 636,093.69 and 257,002.88

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Solution

The fourth proportional to 460,971.14, 636,093.69 and 257,002.88 is: 354,638.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,971.14 : 636,093.69 = 257,002.88 : x
  2. Step 2: Convert to fraction form
    460,971.14/636,093.69 = 257,002.88/x
  3. Step 3: Cross multiply
    460,971.14x = 636,093.69 × 257,002.88
  4. Step 4: Simplify right side
    460,971.14x = 163,477,910,279.83
  5. Step 5: Solve for x
    x = 163,477,910,279.83/460,971.14
  6. Step 6: Final answer
    x = 354,638.06

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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.