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Finding the Fourth Proportional to 365,003.20, 546,583.20 and 291,275.20

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Solution

The fourth proportional to 365,003.20, 546,583.20 and 291,275.20 is: 436,177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,003.20 : 546,583.20 = 291,275.20 : x
  2. Step 2: Convert to fraction form
    365,003.20/546,583.20 = 291,275.20/x
  3. Step 3: Cross multiply
    365,003.20x = 546,583.20 × 291,275.20
  4. Step 4: Simplify right side
    365,003.20x = 159,206,130,896.64
  5. Step 5: Solve for x
    x = 159,206,130,896.64/365,003.20
  6. Step 6: Final answer
    x = 436,177.36

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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.