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Finding the Fourth Proportional to 500,660.36, 751,036.71 and 163,702.74

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Solution

The fourth proportional to 500,660.36, 751,036.71 and 163,702.74 is: 245,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,660.36 : 751,036.71 = 163,702.74 : x
  2. Step 2: Convert to fraction form
    500,660.36/751,036.71 = 163,702.74/x
  3. Step 3: Cross multiply
    500,660.36x = 751,036.71 × 163,702.74
  4. Step 4: Simplify right side
    500,660.36x = 122,946,765,552.45
  5. Step 5: Solve for x
    x = 122,946,765,552.45/500,660.36
  6. Step 6: Final answer
    x = 245,569.20

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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.