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Finding the Fourth Proportional to 441,031.55, 608,742.51 and 288,066.50

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Solution

The fourth proportional to 441,031.55, 608,742.51 and 288,066.50 is: 397,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,031.55 : 608,742.51 = 288,066.50 : x
  2. Step 2: Convert to fraction form
    441,031.55/608,742.51 = 288,066.50/x
  3. Step 3: Cross multiply
    441,031.55x = 608,742.51 × 288,066.50
  4. Step 4: Simplify right side
    441,031.55x = 175,358,324,256.92
  5. Step 5: Solve for x
    x = 175,358,324,256.92/441,031.55
  6. Step 6: Final answer
    x = 397,609.48

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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.