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Finding the Fourth Proportional to 417,765.33, 576,306.50 and 281,627.01

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Solution

The fourth proportional to 417,765.33, 576,306.50 and 281,627.01 is: 388,503.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,765.33 : 576,306.50 = 281,627.01 : x
  2. Step 2: Convert to fraction form
    417,765.33/576,306.50 = 281,627.01/x
  3. Step 3: Cross multiply
    417,765.33x = 576,306.50 × 281,627.01
  4. Step 4: Simplify right side
    417,765.33x = 162,303,475,030.43
  5. Step 5: Solve for x
    x = 162,303,475,030.43/417,765.33
  6. Step 6: Final answer
    x = 388,503.94

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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.