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Finding the Fourth Proportional to 474,433.17, 654,653.12 and 283,406.01

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Solution

The fourth proportional to 474,433.17, 654,653.12 and 283,406.01 is: 391,061.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,433.17 : 654,653.12 = 283,406.01 : x
  2. Step 2: Convert to fraction form
    474,433.17/654,653.12 = 283,406.01/x
  3. Step 3: Cross multiply
    474,433.17x = 654,653.12 × 283,406.01
  4. Step 4: Simplify right side
    474,433.17x = 185,532,627,256.22
  5. Step 5: Solve for x
    x = 185,532,627,256.22/474,433.17
  6. Step 6: Final answer
    x = 391,061.67

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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.