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Finding the Fourth Proportional to 440,702.04, 661,111.92 and 174,400.32

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Solution

The fourth proportional to 440,702.04, 661,111.92 and 174,400.32 is: 261,623.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,702.04 : 661,111.92 = 174,400.32 : x
  2. Step 2: Convert to fraction form
    440,702.04/661,111.92 = 174,400.32/x
  3. Step 3: Cross multiply
    440,702.04x = 661,111.92 × 174,400.32
  4. Step 4: Simplify right side
    440,702.04x = 115,298,128,673.73
  5. Step 5: Solve for x
    x = 115,298,128,673.73/440,702.04
  6. Step 6: Final answer
    x = 261,623.77

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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.