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Finding the Fourth Proportional to 549,015.34, 822,090.61 and 441,813.74

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Solution

The fourth proportional to 549,015.34, 822,090.61 and 441,813.74 is: 661,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,015.34 : 822,090.61 = 441,813.74 : x
  2. Step 2: Convert to fraction form
    549,015.34/822,090.61 = 441,813.74/x
  3. Step 3: Cross multiply
    549,015.34x = 822,090.61 × 441,813.74
  4. Step 4: Simplify right side
    549,015.34x = 363,210,927,022.98
  5. Step 5: Solve for x
    x = 363,210,927,022.98/549,015.34
  6. Step 6: Final answer
    x = 661,567.90

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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.