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Finding the Fourth Proportional to 659,103.74, 909,527.83 and 372,606.74

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Solution

The fourth proportional to 659,103.74, 909,527.83 and 372,606.74 is: 514,177.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,103.74 : 909,527.83 = 372,606.74 : x
  2. Step 2: Convert to fraction form
    659,103.74/909,527.83 = 372,606.74/x
  3. Step 3: Cross multiply
    659,103.74x = 909,527.83 × 372,606.74
  4. Step 4: Simplify right side
    659,103.74x = 338,896,194,196.42
  5. Step 5: Solve for x
    x = 338,896,194,196.42/659,103.74
  6. Step 6: Final answer
    x = 514,177.32

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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.