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Finding the Fourth Proportional to 366,581.12, 549,871.32 and 100,343.84

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Solution

The fourth proportional to 366,581.12, 549,871.32 and 100,343.84 is: 150,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,581.12 : 549,871.32 = 100,343.84 : x
  2. Step 2: Convert to fraction form
    366,581.12/549,871.32 = 100,343.84/x
  3. Step 3: Cross multiply
    366,581.12x = 549,871.32 × 100,343.84
  4. Step 4: Simplify right side
    366,581.12x = 55,176,199,754.67
  5. Step 5: Solve for x
    x = 55,176,199,754.67/366,581.12
  6. Step 6: Final answer
    x = 150,515.66

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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.