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Finding the Fourth Proportional to 549,014.34, 822,089.12 and 441,812.74

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Solution

The fourth proportional to 549,014.34, 822,089.12 and 441,812.74 is: 661,566.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,014.34 : 822,089.12 = 441,812.74 : x
  2. Step 2: Convert to fraction form
    549,014.34/822,089.12 = 441,812.74/x
  3. Step 3: Cross multiply
    549,014.34x = 822,089.12 × 441,812.74
  4. Step 4: Simplify right side
    549,014.34x = 363,209,444,422.33
  5. Step 5: Solve for x
    x = 363,209,444,422.33/549,014.34
  6. Step 6: Final answer
    x = 661,566.41

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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.