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Finding the Fourth Proportional to 3,541,992, 5,312,988 and 1,178,088

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Solution

The fourth proportional to 3,541,992, 5,312,988 and 1,178,088 is: 1,767,132

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541,992 : 5,312,988 = 1,178,088 : x
  2. Step 2: Convert to fraction form
    3,541,992/5,312,988 = 1,178,088/x
  3. Step 3: Cross multiply
    3,541,992x = 5,312,988 × 1,178,088
  4. Step 4: Simplify right side
    3,541,992x = 6,259,167,406,944
  5. Step 5: Solve for x
    x = 6,259,167,406,944/3,541,992
  6. Step 6: Final answer
    x = 1,767,132

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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.