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Finding the Fourth Proportional to 677,927.76, 935,537.71 and 372,009.25

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Solution

The fourth proportional to 677,927.76, 935,537.71 and 372,009.25 is: 513,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,927.76 : 935,537.71 = 372,009.25 : x
  2. Step 2: Convert to fraction form
    677,927.76/935,537.71 = 372,009.25/x
  3. Step 3: Cross multiply
    677,927.76x = 935,537.71 × 372,009.25
  4. Step 4: Simplify right side
    677,927.76x = 348,028,681,843.82
  5. Step 5: Solve for x
    x = 348,028,681,843.82/677,927.76
  6. Step 6: Final answer
    x = 513,371.34

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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.