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Finding the Fourth Proportional to 901,347.47, 1,243,857.56 and 493,446

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Solution

The fourth proportional to 901,347.47, 1,243,857.56 and 493,446 is: 680,954.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,347.47 : 1,243,857.56 = 493,446 : x
  2. Step 2: Convert to fraction form
    901,347.47/1,243,857.56 = 493,446/x
  3. Step 3: Cross multiply
    901,347.47x = 1,243,857.56 × 493,446
  4. Step 4: Simplify right side
    901,347.47x = 613,776,535,084.53
  5. Step 5: Solve for x
    x = 613,776,535,084.53/901,347.47
  6. Step 6: Final answer
    x = 680,954.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.