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Finding the Fourth Proportional to 841,665.66, 1,262,676 and 273,002.58

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Solution

The fourth proportional to 841,665.66, 1,262,676 and 273,002.58 is: 409,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,665.66 : 1,262,676 = 273,002.58 : x
  2. Step 2: Convert to fraction form
    841,665.66/1,262,676 = 273,002.58/x
  3. Step 3: Cross multiply
    841,665.66x = 1,262,676 × 273,002.58
  4. Step 4: Simplify right side
    841,665.66x = 344,713,805,704.08
  5. Step 5: Solve for x
    x = 344,713,805,704.08/841,665.66
  6. Step 6: Final answer
    x = 409,561.45

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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.