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Finding the Fourth Proportional to 489,140.76, 732,526.11 and 248,622.06

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Solution

The fourth proportional to 489,140.76, 732,526.11 and 248,622.06 is: 372,330.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,140.76 : 732,526.11 = 248,622.06 : x
  2. Step 2: Convert to fraction form
    489,140.76/732,526.11 = 248,622.06/x
  3. Step 3: Cross multiply
    489,140.76x = 732,526.11 × 248,622.06
  4. Step 4: Simplify right side
    489,140.76x = 182,122,150,471.99
  5. Step 5: Solve for x
    x = 182,122,150,471.99/489,140.76
  6. Step 6: Final answer
    x = 372,330.76

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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.