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Finding the Fourth Proportional to 364,906.35, 547,358.18 and 98,666.84

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Solution

The fourth proportional to 364,906.35, 547,358.18 and 98,666.84 is: 147,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,906.35 : 547,358.18 = 98,666.84 : x
  2. Step 2: Convert to fraction form
    364,906.35/547,358.18 = 98,666.84/x
  3. Step 3: Cross multiply
    364,906.35x = 547,358.18 × 98,666.84
  4. Step 4: Simplify right side
    364,906.35x = 54,006,102,843.81
  5. Step 5: Solve for x
    x = 54,006,102,843.81/364,906.35
  6. Step 6: Final answer
    x = 147,999.90

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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.