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Finding the Fourth Proportional to 601,726.56, 902,356.56 and 321,090.72

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Solution

The fourth proportional to 601,726.56, 902,356.56 and 321,090.72 is: 481,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,726.56 : 902,356.56 = 321,090.72 : x
  2. Step 2: Convert to fraction form
    601,726.56/902,356.56 = 321,090.72/x
  3. Step 3: Cross multiply
    601,726.56x = 902,356.56 × 321,090.72
  4. Step 4: Simplify right side
    601,726.56x = 289,738,317,547.12
  5. Step 5: Solve for x
    x = 289,738,317,547.12/601,726.56
  6. Step 6: Final answer
    x = 481,511.60

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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.