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Finding the Fourth Proportional to 377,464.47, 520,918.12 and 234,270.64

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Solution

The fourth proportional to 377,464.47, 520,918.12 and 234,270.64 is: 323,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,464.47 : 520,918.12 = 234,270.64 : x
  2. Step 2: Convert to fraction form
    377,464.47/520,918.12 = 234,270.64/x
  3. Step 3: Cross multiply
    377,464.47x = 520,918.12 × 234,270.64
  4. Step 4: Simplify right side
    377,464.47x = 122,035,821,360.00
  5. Step 5: Solve for x
    x = 122,035,821,360.00/377,464.47
  6. Step 6: Final answer
    x = 323,304.13

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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.