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Finding the Fourth Proportional to 476,008.64, 714,132.96 and 336,040.64

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Solution

The fourth proportional to 476,008.64, 714,132.96 and 336,040.64 is: 504,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,008.64 : 714,132.96 = 336,040.64 : x
  2. Step 2: Convert to fraction form
    476,008.64/714,132.96 = 336,040.64/x
  3. Step 3: Cross multiply
    476,008.64x = 714,132.96 × 336,040.64
  4. Step 4: Simplify right side
    476,008.64x = 239,977,696,923.49
  5. Step 5: Solve for x
    x = 239,977,696,923.49/476,008.64
  6. Step 6: Final answer
    x = 504,145.67

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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.