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Finding the Fourth Proportional to 576,040.40, 864,060.60 and 482,728.40

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Solution

The fourth proportional to 576,040.40, 864,060.60 and 482,728.40 is: 724,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,040.40 : 864,060.60 = 482,728.40 : x
  2. Step 2: Convert to fraction form
    576,040.40/864,060.60 = 482,728.40/x
  3. Step 3: Cross multiply
    576,040.40x = 864,060.60 × 482,728.40
  4. Step 4: Simplify right side
    576,040.40x = 417,106,590,941.04
  5. Step 5: Solve for x
    x = 417,106,590,941.04/576,040.40
  6. Step 6: Final answer
    x = 724,092.60

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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.