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Finding the Fourth Proportional to 530,359.88, 795,539.80 and 436,668.80

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Solution

The fourth proportional to 530,359.88, 795,539.80 and 436,668.80 is: 655,003.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,359.88 : 795,539.80 = 436,668.80 : x
  2. Step 2: Convert to fraction form
    530,359.88/795,539.80 = 436,668.80/x
  3. Step 3: Cross multiply
    530,359.88x = 795,539.80 × 436,668.80
  4. Step 4: Simplify right side
    530,359.88x = 347,387,409,818.24
  5. Step 5: Solve for x
    x = 347,387,409,818.24/530,359.88
  6. Step 6: Final answer
    x = 655,003.18

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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.