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Finding the Fourth Proportional to 454,368.60, 681,552.90 and 451,258.20

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Solution

The fourth proportional to 454,368.60, 681,552.90 and 451,258.20 is: 676,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,368.60 : 681,552.90 = 451,258.20 : x
  2. Step 2: Convert to fraction form
    454,368.60/681,552.90 = 451,258.20/x
  3. Step 3: Cross multiply
    454,368.60x = 681,552.90 × 451,258.20
  4. Step 4: Simplify right side
    454,368.60x = 307,556,334,858.78
  5. Step 5: Solve for x
    x = 307,556,334,858.78/454,368.60
  6. Step 6: Final answer
    x = 676,887.30

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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.