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Finding the Fourth Proportional to 556,632.14, 768,152.62 and 301,983.26

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Solution

The fourth proportional to 556,632.14, 768,152.62 and 301,983.26 is: 416,737.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,632.14 : 768,152.62 = 301,983.26 : x
  2. Step 2: Convert to fraction form
    556,632.14/768,152.62 = 301,983.26/x
  3. Step 3: Cross multiply
    556,632.14x = 768,152.62 × 301,983.26
  4. Step 4: Simplify right side
    556,632.14x = 231,969,232,365.14
  5. Step 5: Solve for x
    x = 231,969,232,365.14/556,632.14
  6. Step 6: Final answer
    x = 416,737.04

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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.