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Finding the Fourth Proportional to 576,010.40, 864,015.60 and 471,034.40

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Solution

The fourth proportional to 576,010.40, 864,015.60 and 471,034.40 is: 706,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,010.40 : 864,015.60 = 471,034.40 : x
  2. Step 2: Convert to fraction form
    576,010.40/864,015.60 = 471,034.40/x
  3. Step 3: Cross multiply
    576,010.40x = 864,015.60 × 471,034.40
  4. Step 4: Simplify right side
    576,010.40x = 406,981,069,736.64
  5. Step 5: Solve for x
    x = 406,981,069,736.64/576,010.40
  6. Step 6: Final answer
    x = 706,551.60

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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.