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Finding the Fourth Proportional to 1,784,366.76, 2,462,428.52 and 968,569.92

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Solution

The fourth proportional to 1,784,366.76, 2,462,428.52 and 968,569.92 is: 1,336,627.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,366.76 : 2,462,428.52 = 968,569.92 : x
  2. Step 2: Convert to fraction form
    1,784,366.76/2,462,428.52 = 968,569.92/x
  3. Step 3: Cross multiply
    1,784,366.76x = 2,462,428.52 × 968,569.92
  4. Step 4: Simplify right side
    1,784,366.76x = 2,385,034,194,622.12
  5. Step 5: Solve for x
    x = 2,385,034,194,622.12/1,784,366.76
  6. Step 6: Final answer
    x = 1,336,627.79

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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.