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Finding the Fourth Proportional to 623,863.84, 935,961.55 and 197,407.24

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Solution

The fourth proportional to 623,863.84, 935,961.55 and 197,407.24 is: 296,163.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,863.84 : 935,961.55 = 197,407.24 : x
  2. Step 2: Convert to fraction form
    623,863.84/935,961.55 = 197,407.24/x
  3. Step 3: Cross multiply
    623,863.84x = 935,961.55 × 197,407.24
  4. Step 4: Simplify right side
    623,863.84x = 184,765,587,008.06
  5. Step 5: Solve for x
    x = 184,765,587,008.06/623,863.84
  6. Step 6: Final answer
    x = 296,163.32

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Double scale
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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.