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Finding the Fourth Proportional to 996,482, 1,375,174.36 and 543,802.16

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Solution

The fourth proportional to 996,482, 1,375,174.36 and 543,802.16 is: 750,462.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,482 : 1,375,174.36 = 543,802.16 : x
  2. Step 2: Convert to fraction form
    996,482/1,375,174.36 = 543,802.16/x
  3. Step 3: Cross multiply
    996,482x = 1,375,174.36 × 543,802.16
  4. Step 4: Simplify right side
    996,482x = 747,822,787,344.62
  5. Step 5: Solve for x
    x = 747,822,787,344.62/996,482
  6. Step 6: Final answer
    x = 750,462.92

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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.