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Finding the Fourth Proportional to 460,932.96, 636,060.96 and 256,977.12

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Solution

The fourth proportional to 460,932.96, 636,060.96 and 256,977.12 is: 354,613.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,932.96 : 636,060.96 = 256,977.12 : x
  2. Step 2: Convert to fraction form
    460,932.96/636,060.96 = 256,977.12/x
  3. Step 3: Cross multiply
    460,932.96x = 636,060.96 × 256,977.12
  4. Step 4: Simplify right side
    460,932.96x = 163,453,113,645.24
  5. Step 5: Solve for x
    x = 163,453,113,645.24/460,932.96
  6. Step 6: Final answer
    x = 354,613.64

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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.