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Finding the Fourth Proportional to 364,074.84, 545,759.40 and 139,262.16

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Solution

The fourth proportional to 364,074.84, 545,759.40 and 139,262.16 is: 208,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,074.84 : 545,759.40 = 139,262.16 : x
  2. Step 2: Convert to fraction form
    364,074.84/545,759.40 = 139,262.16/x
  3. Step 3: Cross multiply
    364,074.84x = 545,759.40 × 139,262.16
  4. Step 4: Simplify right side
    364,074.84x = 76,003,632,884.30
  5. Step 5: Solve for x
    x = 76,003,632,884.30/364,074.84
  6. Step 6: Final answer
    x = 208,758.27

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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.