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Finding the Fourth Proportional to 1,829,447.43, 2,746,684.82 and 931,492.54

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Solution

The fourth proportional to 1,829,447.43, 2,746,684.82 and 931,492.54 is: 1,398,518.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829,447.43 : 2,746,684.82 = 931,492.54 : x
  2. Step 2: Convert to fraction form
    1,829,447.43/2,746,684.82 = 931,492.54/x
  3. Step 3: Cross multiply
    1,829,447.43x = 2,746,684.82 × 931,492.54
  4. Step 4: Simplify right side
    1,829,447.43x = 2,558,516,419,561.24
  5. Step 5: Solve for x
    x = 2,558,516,419,561.24/1,829,447.43
  6. Step 6: Final answer
    x = 1,398,518.69

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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.