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Finding the Fourth Proportional to 616,704.58, 924,635.88 and 328,559.32

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Solution

The fourth proportional to 616,704.58, 924,635.88 and 328,559.32 is: 492,614.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,704.58 : 924,635.88 = 328,559.32 : x
  2. Step 2: Convert to fraction form
    616,704.58/924,635.88 = 328,559.32/x
  3. Step 3: Cross multiply
    616,704.58x = 924,635.88 × 328,559.32
  4. Step 4: Simplify right side
    616,704.58x = 303,797,735,980.40
  5. Step 5: Solve for x
    x = 303,797,735,980.40/616,704.58
  6. Step 6: Final answer
    x = 492,614.69

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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.