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Finding the Fourth Proportional to 503,755.20, 753,883.20 and 346,291.20

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Solution

The fourth proportional to 503,755.20, 753,883.20 and 346,291.20 is: 518,234.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,755.20 : 753,883.20 = 346,291.20 : x
  2. Step 2: Convert to fraction form
    503,755.20/753,883.20 = 346,291.20/x
  3. Step 3: Cross multiply
    503,755.20x = 753,883.20 × 346,291.20
  4. Step 4: Simplify right side
    503,755.20x = 261,063,117,987.84
  5. Step 5: Solve for x
    x = 261,063,117,987.84/503,755.20
  6. Step 6: Final answer
    x = 518,234.09

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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.