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Finding the Fourth Proportional to 1,291,182, 1,937,084.04 and 404,718

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Solution

The fourth proportional to 1,291,182, 1,937,084.04 and 404,718 is: 607,174.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,182 : 1,937,084.04 = 404,718 : x
  2. Step 2: Convert to fraction form
    1,291,182/1,937,084.04 = 404,718/x
  3. Step 3: Cross multiply
    1,291,182x = 1,937,084.04 × 404,718
  4. Step 4: Simplify right side
    1,291,182x = 783,972,778,500.72
  5. Step 5: Solve for x
    x = 783,972,778,500.72/1,291,182
  6. Step 6: Final answer
    x = 607,174.49

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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.