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Finding the Fourth Proportional to 1,281,741.03, 1,923,767.15 and 683,200.71

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Solution

The fourth proportional to 1,281,741.03, 1,923,767.15 and 683,200.71 is: 1,025,417.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,741.03 : 1,923,767.15 = 683,200.71 : x
  2. Step 2: Convert to fraction form
    1,281,741.03/1,923,767.15 = 683,200.71/x
  3. Step 3: Cross multiply
    1,281,741.03x = 1,923,767.15 × 683,200.71
  4. Step 4: Simplify right side
    1,281,741.03x = 1,314,319,079,338.67
  5. Step 5: Solve for x
    x = 1,314,319,079,338.67/1,281,741.03
  6. Step 6: Final answer
    x = 1,025,417.03

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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.