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Finding the Fourth Proportional to 623,698.80, 935,663.60 and 197,341.95

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Solution

The fourth proportional to 623,698.80, 935,663.60 and 197,341.95 is: 296,049.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,698.80 : 935,663.60 = 197,341.95 : x
  2. Step 2: Convert to fraction form
    623,698.80/935,663.60 = 197,341.95/x
  3. Step 3: Cross multiply
    623,698.80x = 935,663.60 × 197,341.95
  4. Step 4: Simplify right side
    623,698.80x = 184,645,682,260.07
  5. Step 5: Solve for x
    x = 184,645,682,260.07/623,698.80
  6. Step 6: Final answer
    x = 296,049.44

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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.