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Finding the Fourth Proportional to 374,494.60, 560,867.10 and 366,977.80

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Solution

The fourth proportional to 374,494.60, 560,867.10 and 366,977.80 is: 549,609.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,494.60 : 560,867.10 = 366,977.80 : x
  2. Step 2: Convert to fraction form
    374,494.60/560,867.10 = 366,977.80/x
  3. Step 3: Cross multiply
    374,494.60x = 560,867.10 × 366,977.80
  4. Step 4: Simplify right side
    374,494.60x = 205,825,774,450.38
  5. Step 5: Solve for x
    x = 205,825,774,450.38/374,494.60
  6. Step 6: Final answer
    x = 549,609.46

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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.