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Finding the Fourth Proportional to 623,697.98, 935,662.36 and 197,341.13

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Solution

The fourth proportional to 623,697.98, 935,662.36 and 197,341.13 is: 296,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,697.98 : 935,662.36 = 197,341.13 : x
  2. Step 2: Convert to fraction form
    623,697.98/935,662.36 = 197,341.13/x
  3. Step 3: Cross multiply
    623,697.98x = 935,662.36 × 197,341.13
  4. Step 4: Simplify right side
    623,697.98x = 184,644,661,755.85
  5. Step 5: Solve for x
    x = 184,644,661,755.85/623,697.98
  6. Step 6: Final answer
    x = 296,048.20

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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.