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Finding the Fourth Proportional to 468,648.20, 702,972.30 and 450,277.40

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Solution

The fourth proportional to 468,648.20, 702,972.30 and 450,277.40 is: 675,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,648.20 : 702,972.30 = 450,277.40 : x
  2. Step 2: Convert to fraction form
    468,648.20/702,972.30 = 450,277.40/x
  3. Step 3: Cross multiply
    468,648.20x = 702,972.30 × 450,277.40
  4. Step 4: Simplify right side
    468,648.20x = 316,532,539,516.02
  5. Step 5: Solve for x
    x = 316,532,539,516.02/468,648.20
  6. Step 6: Final answer
    x = 675,416.10

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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.