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Finding the Fourth Proportional to 623,997.78, 935,999.40 and 197,535.69

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Solution

The fourth proportional to 623,997.78, 935,999.40 and 197,535.69 is: 296,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,997.78 : 935,999.40 = 197,535.69 : x
  2. Step 2: Convert to fraction form
    623,997.78/935,999.40 = 197,535.69/x
  3. Step 3: Cross multiply
    623,997.78x = 935,999.40 × 197,535.69
  4. Step 4: Simplify right side
    623,997.78x = 184,893,287,318.59
  5. Step 5: Solve for x
    x = 184,893,287,318.59/623,997.78
  6. Step 6: Final answer
    x = 296,304.40

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1.5x scale

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.