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Finding the Fourth Proportional to 616,538.16, 924,868.80 and 167,266.44

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Solution

The fourth proportional to 616,538.16, 924,868.80 and 167,266.44 is: 250,916.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,538.16 : 924,868.80 = 167,266.44 : x
  2. Step 2: Convert to fraction form
    616,538.16/924,868.80 = 167,266.44/x
  3. Step 3: Cross multiply
    616,538.16x = 924,868.80 × 167,266.44
  4. Step 4: Simplify right side
    616,538.16x = 154,699,511,643.07
  5. Step 5: Solve for x
    x = 154,699,511,643.07/616,538.16
  6. Step 6: Final answer
    x = 250,916.36

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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.