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Finding the Fourth Proportional to 3,287,906, 4,931,859 and 924,002

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Solution

The fourth proportional to 3,287,906, 4,931,859 and 924,002 is: 1,386,003

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287,906 : 4,931,859 = 924,002 : x
  2. Step 2: Convert to fraction form
    3,287,906/4,931,859 = 924,002/x
  3. Step 3: Cross multiply
    3,287,906x = 4,931,859 × 924,002
  4. Step 4: Simplify right side
    3,287,906x = 4,557,047,579,718
  5. Step 5: Solve for x
    x = 4,557,047,579,718/3,287,906
  6. Step 6: Final answer
    x = 1,386,003

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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.