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Finding the Fourth Proportional to 576,519.13, 795,593.40 and 321,870.34

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Solution

The fourth proportional to 576,519.13, 795,593.40 and 321,870.34 is: 444,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,519.13 : 795,593.40 = 321,870.34 : x
  2. Step 2: Convert to fraction form
    576,519.13/795,593.40 = 321,870.34/x
  3. Step 3: Cross multiply
    576,519.13x = 795,593.40 × 321,870.34
  4. Step 4: Simplify right side
    576,519.13x = 256,077,918,159.76
  5. Step 5: Solve for x
    x = 256,077,918,159.76/576,519.13
  6. Step 6: Final answer
    x = 444,179.39

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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.