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Finding the Fourth Proportional to 1,828,327.90, 2,742,491.85 and 883,543.90

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Solution

The fourth proportional to 1,828,327.90, 2,742,491.85 and 883,543.90 is: 1,325,315.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828,327.90 : 2,742,491.85 = 883,543.90 : x
  2. Step 2: Convert to fraction form
    1,828,327.90/2,742,491.85 = 883,543.90/x
  3. Step 3: Cross multiply
    1,828,327.90x = 2,742,491.85 × 883,543.90
  4. Step 4: Simplify right side
    1,828,327.90x = 2,423,111,944,867.22
  5. Step 5: Solve for x
    x = 2,423,111,944,867.22/1,828,327.90
  6. Step 6: Final answer
    x = 1,325,315.85

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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.