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Finding the Fourth Proportional to 418,333.90, 577,278.69 and 237,048

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Solution

The fourth proportional to 418,333.90, 577,278.69 and 237,048 is: 327,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,333.90 : 577,278.69 = 237,048 : x
  2. Step 2: Convert to fraction form
    418,333.90/577,278.69 = 237,048/x
  3. Step 3: Cross multiply
    418,333.90x = 577,278.69 × 237,048
  4. Step 4: Simplify right side
    418,333.90x = 136,842,758,907.12
  5. Step 5: Solve for x
    x = 136,842,758,907.12/418,333.90
  6. Step 6: Final answer
    x = 327,113.72

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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.