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Finding the Fourth Proportional to 546,763.60, 820,145.40 and 335,717.20

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Solution

The fourth proportional to 546,763.60, 820,145.40 and 335,717.20 is: 503,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,763.60 : 820,145.40 = 335,717.20 : x
  2. Step 2: Convert to fraction form
    546,763.60/820,145.40 = 335,717.20/x
  3. Step 3: Cross multiply
    546,763.60x = 820,145.40 × 335,717.20
  4. Step 4: Simplify right side
    546,763.60x = 275,336,917,280.88
  5. Step 5: Solve for x
    x = 275,336,917,280.88/546,763.60
  6. Step 6: Final answer
    x = 503,575.80

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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.