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Finding the Fourth Proportional to 3,287,919, 4,931,878.50 and 924,015

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Solution

The fourth proportional to 3,287,919, 4,931,878.50 and 924,015 is: 1,386,022.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287,919 : 4,931,878.50 = 924,015 : x
  2. Step 2: Convert to fraction form
    3,287,919/4,931,878.50 = 924,015/x
  3. Step 3: Cross multiply
    3,287,919x = 4,931,878.50 × 924,015
  4. Step 4: Simplify right side
    3,287,919x = 4,557,129,712,177.50
  5. Step 5: Solve for x
    x = 4,557,129,712,177.50/3,287,919
  6. Step 6: Final answer
    x = 1,386,022.50

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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.