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Finding the Fourth Proportional to 677,927.92, 935,537.94 and 372,009.42

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Solution

The fourth proportional to 677,927.92, 935,537.94 and 372,009.42 is: 513,371.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,927.92 : 935,537.94 = 372,009.42 : x
  2. Step 2: Convert to fraction form
    677,927.92/935,537.94 = 372,009.42/x
  3. Step 3: Cross multiply
    677,927.92x = 935,537.94 × 372,009.42
  4. Step 4: Simplify right side
    677,927.92x = 348,028,926,447.40
  5. Step 5: Solve for x
    x = 348,028,926,447.40/677,927.92
  6. Step 6: Final answer
    x = 513,371.58

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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.