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Finding the Fourth Proportional to 531,455.49, 797,181.08 and 132,088.77

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Solution

The fourth proportional to 531,455.49, 797,181.08 and 132,088.77 is: 198,132.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,455.49 : 797,181.08 = 132,088.77 : x
  2. Step 2: Convert to fraction form
    531,455.49/797,181.08 = 132,088.77/x
  3. Step 3: Cross multiply
    531,455.49x = 797,181.08 × 132,088.77
  4. Step 4: Simplify right side
    531,455.49x = 105,298,667,664.03
  5. Step 5: Solve for x
    x = 105,298,667,664.03/531,455.49
  6. Step 6: Final answer
    x = 198,132.62

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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.