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Finding the Fourth Proportional to 677,842.24, 935,419.44 and 376,036.24

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Solution

The fourth proportional to 677,842.24, 935,419.44 and 376,036.24 is: 518,928.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,842.24 : 935,419.44 = 376,036.24 : x
  2. Step 2: Convert to fraction form
    677,842.24/935,419.44 = 376,036.24/x
  3. Step 3: Cross multiply
    677,842.24x = 935,419.44 × 376,036.24
  4. Step 4: Simplify right side
    677,842.24x = 351,751,609,040.51
  5. Step 5: Solve for x
    x = 351,751,609,040.51/677,842.24
  6. Step 6: Final answer
    x = 518,928.43

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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.