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Finding the Fourth Proportional to 623,698.69, 935,663.43 and 197,341.84

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Solution

The fourth proportional to 623,698.69, 935,663.43 and 197,341.84 is: 296,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,698.69 : 935,663.43 = 197,341.84 : x
  2. Step 2: Convert to fraction form
    623,698.69/935,663.43 = 197,341.84/x
  3. Step 3: Cross multiply
    623,698.69x = 935,663.43 × 197,341.84
  4. Step 4: Simplify right side
    623,698.69x = 184,645,542,896.91
  5. Step 5: Solve for x
    x = 184,645,542,896.91/623,698.69
  6. Step 6: Final answer
    x = 296,049.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.