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Finding the Fourth Proportional to 554,162.68, 829,883.22 and 353,891.80

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Solution

The fourth proportional to 554,162.68, 829,883.22 and 353,891.80 is: 529,968.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,162.68 : 829,883.22 = 353,891.80 : x
  2. Step 2: Convert to fraction form
    554,162.68/829,883.22 = 353,891.80/x
  3. Step 3: Cross multiply
    554,162.68x = 829,883.22 × 353,891.80
  4. Step 4: Simplify right side
    554,162.68x = 293,688,866,515.60
  5. Step 5: Solve for x
    x = 293,688,866,515.60/554,162.68
  6. Step 6: Final answer
    x = 529,968.68

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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.