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Finding the Fourth Proportional to 576,271.62, 863,707.53 and 407,841.18

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Solution

The fourth proportional to 576,271.62, 863,707.53 and 407,841.18 is: 611,266.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,271.62 : 863,707.53 = 407,841.18 : x
  2. Step 2: Convert to fraction form
    576,271.62/863,707.53 = 407,841.18/x
  3. Step 3: Cross multiply
    576,271.62x = 863,707.53 × 407,841.18
  4. Step 4: Simplify right side
    576,271.62x = 352,255,498,210.09
  5. Step 5: Solve for x
    x = 352,255,498,210.09/576,271.62
  6. Step 6: Final answer
    x = 611,266.43

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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.