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Finding the Fourth Proportional to 466,472.80, 700,486.80 and 256,261.60

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Solution

The fourth proportional to 466,472.80, 700,486.80 and 256,261.60 is: 384,819.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,472.80 : 700,486.80 = 256,261.60 : x
  2. Step 2: Convert to fraction form
    466,472.80/700,486.80 = 256,261.60/x
  3. Step 3: Cross multiply
    466,472.80x = 700,486.80 × 256,261.60
  4. Step 4: Simplify right side
    466,472.80x = 179,507,868,146.88
  5. Step 5: Solve for x
    x = 179,507,868,146.88/466,472.80
  6. Step 6: Final answer
    x = 384,819.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.