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Finding the Fourth Proportional to 416,968.62, 575,417.69 and 225,981.96

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Solution

The fourth proportional to 416,968.62, 575,417.69 and 225,981.96 is: 311,855.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,968.62 : 575,417.69 = 225,981.96 : x
  2. Step 2: Convert to fraction form
    416,968.62/575,417.69 = 225,981.96/x
  3. Step 3: Cross multiply
    416,968.62x = 575,417.69 × 225,981.96
  4. Step 4: Simplify right side
    416,968.62x = 130,034,017,404.87
  5. Step 5: Solve for x
    x = 130,034,017,404.87/416,968.62
  6. Step 6: Final answer
    x = 311,855.64

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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.