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Finding the Fourth Proportional to 471,274.16, 707,222.28 and 249,813.68

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Solution

The fourth proportional to 471,274.16, 707,222.28 and 249,813.68 is: 374,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,274.16 : 707,222.28 = 249,813.68 : x
  2. Step 2: Convert to fraction form
    471,274.16/707,222.28 = 249,813.68/x
  3. Step 3: Cross multiply
    471,274.16x = 707,222.28 × 249,813.68
  4. Step 4: Simplify right side
    471,274.16x = 176,673,800,344.79
  5. Step 5: Solve for x
    x = 176,673,800,344.79/471,274.16
  6. Step 6: Final answer
    x = 374,885.40

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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.