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Finding the Fourth Proportional to 549,411.39, 824,109.12 and 333,321.62

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Solution

The fourth proportional to 549,411.39, 824,109.12 and 333,321.62 is: 499,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,411.39 : 824,109.12 = 333,321.62 : x
  2. Step 2: Convert to fraction form
    549,411.39/824,109.12 = 333,321.62/x
  3. Step 3: Cross multiply
    549,411.39x = 824,109.12 × 333,321.62
  4. Step 4: Simplify right side
    549,411.39x = 274,693,382,814.63
  5. Step 5: Solve for x
    x = 274,693,382,814.63/549,411.39
  6. Step 6: Final answer
    x = 499,977.59

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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.