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Finding the Fourth Proportional to 623,698.17, 935,662.65 and 197,341.32

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Solution

The fourth proportional to 623,698.17, 935,662.65 and 197,341.32 is: 296,048.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,698.17 : 935,662.65 = 197,341.32 : x
  2. Step 2: Convert to fraction form
    623,698.17/935,662.65 = 197,341.32/x
  3. Step 3: Cross multiply
    623,698.17x = 935,662.65 × 197,341.32
  4. Step 4: Simplify right side
    623,698.17x = 184,644,906,304.45
  5. Step 5: Solve for x
    x = 184,644,906,304.45/623,698.17
  6. Step 6: Final answer
    x = 296,048.50

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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.