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Finding the Fourth Proportional to 576,425.16, 864,648 and 177,069.38

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Solution

The fourth proportional to 576,425.16, 864,648 and 177,069.38 is: 265,607.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,425.16 : 864,648 = 177,069.38 : x
  2. Step 2: Convert to fraction form
    576,425.16/864,648 = 177,069.38/x
  3. Step 3: Cross multiply
    576,425.16x = 864,648 × 177,069.38
  4. Step 4: Simplify right side
    576,425.16x = 153,102,680,955
  5. Step 5: Solve for x
    x = 153,102,680,955/576,425.16
  6. Step 6: Final answer
    x = 265,607.21

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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.