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Finding the Fourth Proportional to 1,829,364.86, 2,742,582 and 869,338.69

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Solution

The fourth proportional to 1,829,364.86, 2,742,582 and 869,338.69 is: 1,303,311.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829,364.86 : 2,742,582 = 869,338.69 : x
  2. Step 2: Convert to fraction form
    1,829,364.86/2,742,582 = 869,338.69/x
  3. Step 3: Cross multiply
    1,829,364.86x = 2,742,582 × 869,338.69
  4. Step 4: Simplify right side
    1,829,364.86x = 2,384,232,643,097.58
  5. Step 5: Solve for x
    x = 2,384,232,643,097.58/1,829,364.86
  6. Step 6: Final answer
    x = 1,303,311.71

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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.