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Finding the Fourth Proportional to 369,272.81, 553,909.39 and 116,578.94

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Solution

The fourth proportional to 369,272.81, 553,909.39 and 116,578.94 is: 174,868.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,272.81 : 553,909.39 = 116,578.94 : x
  2. Step 2: Convert to fraction form
    369,272.81/553,909.39 = 116,578.94/x
  3. Step 3: Cross multiply
    369,272.81x = 553,909.39 × 116,578.94
  4. Step 4: Simplify right side
    369,272.81x = 64,574,166,481.25
  5. Step 5: Solve for x
    x = 64,574,166,481.25/369,272.81
  6. Step 6: Final answer
    x = 174,868.46

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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.