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Finding the Fourth Proportional to 3,287,918, 4,931,877 and 924,014

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Solution

The fourth proportional to 3,287,918, 4,931,877 and 924,014 is: 1,386,021

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287,918 : 4,931,877 = 924,014 : x
  2. Step 2: Convert to fraction form
    3,287,918/4,931,877 = 924,014/x
  3. Step 3: Cross multiply
    3,287,918x = 4,931,877 × 924,014
  4. Step 4: Simplify right side
    3,287,918x = 4,557,123,394,278
  5. Step 5: Solve for x
    x = 4,557,123,394,278/3,287,918
  6. Step 6: Final answer
    x = 1,386,021

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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.