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Finding the Fourth Proportional to 577,304.21, 866,097.11 and 406,858.24

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Solution

The fourth proportional to 577,304.21, 866,097.11 and 406,858.24 is: 610,386.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,304.21 : 866,097.11 = 406,858.24 : x
  2. Step 2: Convert to fraction form
    577,304.21/866,097.11 = 406,858.24/x
  3. Step 3: Cross multiply
    577,304.21x = 866,097.11 × 406,858.24
  4. Step 4: Simplify right side
    577,304.21x = 352,378,745,654.88
  5. Step 5: Solve for x
    x = 352,378,745,654.88/577,304.21
  6. Step 6: Final answer
    x = 610,386.58

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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.