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Finding the Fourth Proportional to 576,583.36, 795,677.60 and 321,938.88

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Solution

The fourth proportional to 576,583.36, 795,677.60 and 321,938.88 is: 444,271.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,583.36 : 795,677.60 = 321,938.88 : x
  2. Step 2: Convert to fraction form
    576,583.36/795,677.60 = 321,938.88/x
  3. Step 3: Cross multiply
    576,583.36x = 795,677.60 × 321,938.88
  4. Step 4: Simplify right side
    576,583.36x = 256,159,555,385.09
  5. Step 5: Solve for x
    x = 256,159,555,385.09/576,583.36
  6. Step 6: Final answer
    x = 444,271.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.