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Finding the Fourth Proportional to 1,702,972.72, 2,554,459.08 and 1,168,874.52

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Solution

The fourth proportional to 1,702,972.72, 2,554,459.08 and 1,168,874.52 is: 1,753,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,972.72 : 2,554,459.08 = 1,168,874.52 : x
  2. Step 2: Convert to fraction form
    1,702,972.72/2,554,459.08 = 1,168,874.52/x
  3. Step 3: Cross multiply
    1,702,972.72x = 2,554,459.08 × 1,168,874.52
  4. Step 4: Simplify right side
    1,702,972.72x = 2,985,842,117,032.14
  5. Step 5: Solve for x
    x = 2,985,842,117,032.14/1,702,972.72
  6. Step 6: Final answer
    x = 1,753,311.77

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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.