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Finding the Fourth Proportional to 624,372.06, 861,048.71 and 414,448.71

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Solution

The fourth proportional to 624,372.06, 861,048.71 and 414,448.71 is: 571,551.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,372.06 : 861,048.71 = 414,448.71 : x
  2. Step 2: Convert to fraction form
    624,372.06/861,048.71 = 414,448.71/x
  3. Step 3: Cross multiply
    624,372.06x = 861,048.71 × 414,448.71
  4. Step 4: Simplify right side
    624,372.06x = 356,860,527,106.66
  5. Step 5: Solve for x
    x = 356,860,527,106.66/624,372.06
  6. Step 6: Final answer
    x = 571,551.08

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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.