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Finding the Fourth Proportional to 290,555.54, 400,999.17 and 175,897.41

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Solution

The fourth proportional to 290,555.54, 400,999.17 and 175,897.41 is: 242,758.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,555.54 : 400,999.17 = 175,897.41 : x
  2. Step 2: Convert to fraction form
    290,555.54/400,999.17 = 175,897.41/x
  3. Step 3: Cross multiply
    290,555.54x = 400,999.17 × 175,897.41
  4. Step 4: Simplify right side
    290,555.54x = 70,534,714,571.02
  5. Step 5: Solve for x
    x = 70,534,714,571.02/290,555.54
  6. Step 6: Final answer
    x = 242,758.11

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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.