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Finding the Fourth Proportional to 677,847.04, 935,424 and 376,042.24

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Solution

The fourth proportional to 677,847.04, 935,424 and 376,042.24 is: 518,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,847.04 : 935,424 = 376,042.24 : x
  2. Step 2: Convert to fraction form
    677,847.04/935,424 = 376,042.24/x
  3. Step 3: Cross multiply
    677,847.04x = 935,424 × 376,042.24
  4. Step 4: Simplify right side
    677,847.04x = 351,758,936,309.76
  5. Step 5: Solve for x
    x = 351,758,936,309.76/677,847.04
  6. Step 6: Final answer
    x = 518,935.56

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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.