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Finding the Fourth Proportional to 501,555.87, 752,390.89 and 181,858.30

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Solution

The fourth proportional to 501,555.87, 752,390.89 and 181,858.30 is: 272,808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,555.87 : 752,390.89 = 181,858.30 : x
  2. Step 2: Convert to fraction form
    501,555.87/752,390.89 = 181,858.30/x
  3. Step 3: Cross multiply
    501,555.87x = 752,390.89 × 181,858.30
  4. Step 4: Simplify right side
    501,555.87x = 136,828,525,855.26
  5. Step 5: Solve for x
    x = 136,828,525,855.26/501,555.87
  6. Step 6: Final answer
    x = 272,808.14

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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.