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Finding the Fourth Proportional to 546,883.20, 820,215.45 and 262,573.20

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Solution

The fourth proportional to 546,883.20, 820,215.45 and 262,573.20 is: 393,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,883.20 : 820,215.45 = 262,573.20 : x
  2. Step 2: Convert to fraction form
    546,883.20/820,215.45 = 262,573.20/x
  3. Step 3: Cross multiply
    546,883.20x = 820,215.45 × 262,573.20
  4. Step 4: Simplify right side
    546,883.20x = 215,366,595,395.94
  5. Step 5: Solve for x
    x = 215,366,595,395.94/546,883.20
  6. Step 6: Final answer
    x = 393,807.30

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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.