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Finding the Fourth Proportional to 576,332.28, 795,243.42 and 321,683.40

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Solution

The fourth proportional to 576,332.28, 795,243.42 and 321,683.40 is: 443,870.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,332.28 : 795,243.42 = 321,683.40 : x
  2. Step 2: Convert to fraction form
    576,332.28/795,243.42 = 321,683.40/x
  3. Step 3: Cross multiply
    576,332.28x = 795,243.42 × 321,683.40
  4. Step 4: Simplify right side
    576,332.28x = 255,816,607,173.23
  5. Step 5: Solve for x
    x = 255,816,607,173.23/576,332.28
  6. Step 6: Final answer
    x = 443,870.00

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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.