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Finding the Fourth Proportional to 365,658.04, 548,419.80 and 165,930.40

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Solution

The fourth proportional to 365,658.04, 548,419.80 and 165,930.40 is: 248,865.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,658.04 : 548,419.80 = 165,930.40 : x
  2. Step 2: Convert to fraction form
    365,658.04/548,419.80 = 165,930.40/x
  3. Step 3: Cross multiply
    365,658.04x = 548,419.80 × 165,930.40
  4. Step 4: Simplify right side
    365,658.04x = 90,999,516,781.92
  5. Step 5: Solve for x
    x = 90,999,516,781.92/365,658.04
  6. Step 6: Final answer
    x = 248,865.08

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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.