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Finding the Fourth Proportional to 468,654.20, 702,981.30 and 450,283.40

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Solution

The fourth proportional to 468,654.20, 702,981.30 and 450,283.40 is: 675,425.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,654.20 : 702,981.30 = 450,283.40 : x
  2. Step 2: Convert to fraction form
    468,654.20/702,981.30 = 450,283.40/x
  3. Step 3: Cross multiply
    468,654.20x = 702,981.30 × 450,283.40
  4. Step 4: Simplify right side
    468,654.20x = 316,540,809,900.42
  5. Step 5: Solve for x
    x = 316,540,809,900.42/468,654.20
  6. Step 6: Final answer
    x = 675,425.10

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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.