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Finding the Fourth Proportional to 549,141.12, 822,858.48 and 264,525.12

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Solution

The fourth proportional to 549,141.12, 822,858.48 and 264,525.12 is: 396,376.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,141.12 : 822,858.48 = 264,525.12 : x
  2. Step 2: Convert to fraction form
    549,141.12/822,858.48 = 264,525.12/x
  3. Step 3: Cross multiply
    549,141.12x = 822,858.48 × 264,525.12
  4. Step 4: Simplify right side
    549,141.12x = 217,666,738,165.02
  5. Step 5: Solve for x
    x = 217,666,738,165.02/549,141.12
  6. Step 6: Final answer
    x = 396,376.69

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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.