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Finding the Fourth Proportional to 574,670.58, 793,014.35 and 316,538.97

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Solution

The fourth proportional to 574,670.58, 793,014.35 and 316,538.97 is: 436,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,670.58 : 793,014.35 = 316,538.97 : x
  2. Step 2: Convert to fraction form
    574,670.58/793,014.35 = 316,538.97/x
  3. Step 3: Cross multiply
    574,670.58x = 793,014.35 × 316,538.97
  4. Step 4: Simplify right side
    574,670.58x = 251,019,943,961.53
  5. Step 5: Solve for x
    x = 251,019,943,961.53/574,670.58
  6. Step 6: Final answer
    x = 436,806.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.