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Finding the Fourth Proportional to 468,629.70, 702,944.55 and 450,258.90

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Solution

The fourth proportional to 468,629.70, 702,944.55 and 450,258.90 is: 675,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,629.70 : 702,944.55 = 450,258.90 : x
  2. Step 2: Convert to fraction form
    468,629.70/702,944.55 = 450,258.90/x
  3. Step 3: Cross multiply
    468,629.70x = 702,944.55 × 450,258.90
  4. Step 4: Simplify right side
    468,629.70x = 316,507,039,844.00
  5. Step 5: Solve for x
    x = 316,507,039,844.00/468,629.70
  6. Step 6: Final answer
    x = 675,388.35

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Similar ratio
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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.