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Finding the Fourth Proportional to 543,528.68, 750,088.44 and 301,815.29

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Solution

The fourth proportional to 543,528.68, 750,088.44 and 301,815.29 is: 416,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,528.68 : 750,088.44 = 301,815.29 : x
  2. Step 2: Convert to fraction form
    543,528.68/750,088.44 = 301,815.29/x
  3. Step 3: Cross multiply
    543,528.68x = 750,088.44 × 301,815.29
  4. Step 4: Simplify right side
    543,528.68x = 226,388,161,919.47
  5. Step 5: Solve for x
    x = 226,388,161,919.47/543,528.68
  6. Step 6: Final answer
    x = 416,515.58

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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.