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Finding the Fourth Proportional to 360,209.96, 540,145.24 and 210,493.52

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Solution

The fourth proportional to 360,209.96, 540,145.24 and 210,493.52 is: 315,641.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,209.96 : 540,145.24 = 210,493.52 : x
  2. Step 2: Convert to fraction form
    360,209.96/540,145.24 = 210,493.52/x
  3. Step 3: Cross multiply
    360,209.96x = 540,145.24 × 210,493.52
  4. Step 4: Simplify right side
    360,209.96x = 113,697,072,878.85
  5. Step 5: Solve for x
    x = 113,697,072,878.85/360,209.96
  6. Step 6: Final answer
    x = 315,641.11

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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.