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Finding the Fourth Proportional to 251,427.60, 352,465.20 and 251,427.60

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Solution

The fourth proportional to 251,427.60, 352,465.20 and 251,427.60 is: 352,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,427.60 : 352,465.20 = 251,427.60 : x
  2. Step 2: Convert to fraction form
    251,427.60/352,465.20 = 251,427.60/x
  3. Step 3: Cross multiply
    251,427.60x = 352,465.20 × 251,427.60
  4. Step 4: Simplify right side
    251,427.60x = 88,619,479,319.52
  5. Step 5: Solve for x
    x = 88,619,479,319.52/251,427.60
  6. Step 6: Final answer
    x = 352,465.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.