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Finding the Fourth Proportional to 549,571.60, 824,205.12 and 194,538.88

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Solution

The fourth proportional to 549,571.60, 824,205.12 and 194,538.88 is: 291,754.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,571.60 : 824,205.12 = 194,538.88 : x
  2. Step 2: Convert to fraction form
    549,571.60/824,205.12 = 194,538.88/x
  3. Step 3: Cross multiply
    549,571.60x = 824,205.12 × 194,538.88
  4. Step 4: Simplify right side
    549,571.60x = 160,339,940,935.07
  5. Step 5: Solve for x
    x = 160,339,940,935.07/549,571.60
  6. Step 6: Final answer
    x = 291,754.42

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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.