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Finding the Fourth Proportional to 677,953.04, 935,572.60 and 372,034.56

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Solution

The fourth proportional to 677,953.04, 935,572.60 and 372,034.56 is: 513,406.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,953.04 : 935,572.60 = 372,034.56 : x
  2. Step 2: Convert to fraction form
    677,953.04/935,572.60 = 372,034.56/x
  3. Step 3: Cross multiply
    677,953.04x = 935,572.60 × 372,034.56
  4. Step 4: Simplify right side
    677,953.04x = 348,065,340,589.06
  5. Step 5: Solve for x
    x = 348,065,340,589.06/677,953.04
  6. Step 6: Final answer
    x = 513,406.27

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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.