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Finding the Fourth Proportional to 376,907.49, 520,253.54 and 241,306.65

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Solution

The fourth proportional to 376,907.49, 520,253.54 and 241,306.65 is: 333,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,907.49 : 520,253.54 = 241,306.65 : x
  2. Step 2: Convert to fraction form
    376,907.49/520,253.54 = 241,306.65/x
  3. Step 3: Cross multiply
    376,907.49x = 520,253.54 × 241,306.65
  4. Step 4: Simplify right side
    376,907.49x = 125,540,638,888.04
  5. Step 5: Solve for x
    x = 125,540,638,888.04/376,907.49
  6. Step 6: Final answer
    x = 333,080.78

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1.5x scale

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.