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Finding the Fourth Proportional to 365,019.35, 547,485.89 and 112,299.35

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Solution

The fourth proportional to 365,019.35, 547,485.89 and 112,299.35 is: 168,435.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,019.35 : 547,485.89 = 112,299.35 : x
  2. Step 2: Convert to fraction form
    365,019.35/547,485.89 = 112,299.35/x
  3. Step 3: Cross multiply
    365,019.35x = 547,485.89 × 112,299.35
  4. Step 4: Simplify right side
    365,019.35x = 61,482,306,282.25
  5. Step 5: Solve for x
    x = 61,482,306,282.25/365,019.35
  6. Step 6: Final answer
    x = 168,435.75

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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.