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Finding the Fourth Proportional to 365,800.90, 548,464.55 and 155,381.70

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Solution

The fourth proportional to 365,800.90, 548,464.55 and 155,381.70 is: 232,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,800.90 : 548,464.55 = 155,381.70 : x
  2. Step 2: Convert to fraction form
    365,800.90/548,464.55 = 155,381.70/x
  3. Step 3: Cross multiply
    365,800.90x = 548,464.55 × 155,381.70
  4. Step 4: Simplify right side
    365,800.90x = 85,221,354,168.74
  5. Step 5: Solve for x
    x = 85,221,354,168.74/365,800.90
  6. Step 6: Final answer
    x = 232,971.96

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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.