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Finding the Fourth Proportional to 354,304.49, 531,483.38 and 101,582.97

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Solution

The fourth proportional to 354,304.49, 531,483.38 and 101,582.97 is: 152,382.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,304.49 : 531,483.38 = 101,582.97 : x
  2. Step 2: Convert to fraction form
    354,304.49/531,483.38 = 101,582.97/x
  3. Step 3: Cross multiply
    354,304.49x = 531,483.38 × 101,582.97
  4. Step 4: Simplify right side
    354,304.49x = 53,989,657,588.62
  5. Step 5: Solve for x
    x = 53,989,657,588.62/354,304.49
  6. Step 6: Final answer
    x = 152,382.09

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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.