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Finding the Fourth Proportional to 1,318,327.04, 1,819,485.52 and 834,937.04

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Solution

The fourth proportional to 1,318,327.04, 1,819,485.52 and 834,937.04 is: 1,152,336.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,327.04 : 1,819,485.52 = 834,937.04 : x
  2. Step 2: Convert to fraction form
    1,318,327.04/1,819,485.52 = 834,937.04/x
  3. Step 3: Cross multiply
    1,318,327.04x = 1,819,485.52 × 834,937.04
  4. Step 4: Simplify right side
    1,318,327.04x = 1,519,155,854,391.66
  5. Step 5: Solve for x
    x = 1,519,155,854,391.66/1,318,327.04
  6. Step 6: Final answer
    x = 1,152,336.11

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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.