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Finding the Fourth Proportional to 623,705.62, 935,698.89 and 197,267.30

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Solution

The fourth proportional to 623,705.62, 935,698.89 and 197,267.30 is: 295,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,705.62 : 935,698.89 = 197,267.30 : x
  2. Step 2: Convert to fraction form
    623,705.62/935,698.89 = 197,267.30/x
  3. Step 3: Cross multiply
    623,705.62x = 935,698.89 × 197,267.30
  4. Step 4: Simplify right side
    623,705.62x = 184,582,793,643.30
  5. Step 5: Solve for x
    x = 184,582,793,643.30/623,705.62
  6. Step 6: Final answer
    x = 295,945.38

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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.